- Type
- Crossword Puzzle

Point a to point b is a... Line segment

At 3:00 the hands make a... Right angle

At 5:00 the hands make a... Obtuse angle

At 1:00 the hands make a... Acute angle

When two things meet it is called a... Intersecting

What is point f called... Endpoint

What is it called when two pencils are next to eachother... Parallel

What is it called when somthing continues on forever... Line

When it can continue only one way... Ray

There are three of theese in a triangle Vertices

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A closed plane figure formed by three or more straight sides that are line segments. polygon

A polygon with three sides and three angles. triangle

A polygon with four sides and four angles. quadrilateral

A polygon with five sides and five angles. pentagon

A polygon with six sides and six angles. hexagon

A polygon with seven sides and seven angles. heptagon

A polygon with eight sides and eight angles. octagon

A polygon with nine sides and nine angles. nonagon

A polygon with ten sides and ten angles. decagon

An angle that measures greater than 0 degrees and less than 90 degrees. acute

An angle that forms a square corner and has a measure of 90 degrees. right

An angle whose measure is 180 degrees. straight

An angle that measures greater than 90 degrees and less than 180 degrees. obtuse

An exact location in space. point

A straight path of points in a plane that continues without end in both direcetions with NO endpoints. line

A part of a line that includes two points called endpoints and all the points between them. line segment

A part of a line; it has one endpoint and continues without end in one direction. ray

The point at either end of a line segment of the starting point of a ray. endpoint

Lines in the same plane that never intersect and are always the same distance apart. parallel

Two lines that intersect to form four right angles. perpendicular

Lines that cross each other at exactly one point. intersecting

The number of square units needed to cover a surface. area

The distance around a figure. perimeter

A parallelogram with four equal, or congruent, sides and four right angles. square

A parallelogram with opposite sidees that are equal, or congrudent, and with four right angles. rectangle

A parallelogram with four equal, or congruent, sides. rhombus

A quadrilateral with exactly one pair of parallel sides. trapezoid

A quadrilateral whose opposite sides are parallel and equal, or congruent. parallelogram

Having the EXACT same size and shape. congruent

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- Crossword Puzzle

a _____ is simply a location point

a ______ is a flat surface made up of points plane

points on the same line are _____ collinear

points on the same plane are ______ coplanar

a _____ has two end points line segment

when segmants have the same measure they are ______ congruent

Point M is ______ points P and Q if and only if P, Q, and M are collinear and PM + MQ = PQ between

the _____ of a segment is the point halfway beween the endpoints of a segment midpoint

any segment, line, or plane that intersects at its midpoint is called a ________ segment bisector

distance around a circle into 360 parts is a ______ degree

a _____ is part of a line ray

a ray that divides an angle into two congruent angles is an ______ angle bisector

an angle with less than a 90 degree angle acute

an angle with a 90 degree angle right

an angle with more than a 90 degree angle obtuse

two angles that lie in the same plane, have a common vertex & side, but no common interior points adjacent angles

two nonadjacent angles formed by two intersecting lines vertical angles

pair of adjacent angles whose noncommon sides are opposite rays linear pair

two angles whose measures have a sum of 90 complementary angles

two angles whose measurements have a sum of 180 supplementary angles

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- Crossword Puzzle

Another word for a dot Point

A figure where two of the sides are the same length Rectangle

A three sided figure Triangle

When two planes make a cross they are called Intersecting planes

A line with a a begining and end Segment

An angle that measures 90 degrees Right angle

Two or more segments of equal length Congruent Segments

A triangle that has two equal sides. Isosceles Triangle

An angle that measures less than 90 degrees Acute Angle

An angle that measures more than 90 degrees Obtuse Angle

In Geometry, the term more used for a rule that is accepted without proof is called what? Theorem

A point at the end or beginging of a line Endpoint

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- Crossword Puzzle

Line segments that do not intersect. They are side by side and have the same distance continuously between them. Parallel

A straight line going through the center of a circle. It connects two points on the circle's circumference. Diameter

An angle that is equal to 90 degrees. It is usually represented by a small square on the vertex of the angle. right

A flat surface that extends forever and does not end. It contains an x and y axis, and infinite points and lines. plane

A transformation that moves an image a certain distance. It slides an image within a plane without rotating or flipping it. translation

A triangle that has two sides of equal length. The angles opposite the equal sides are also equal. isosceles

A pair of adjacent angles formed by intersecting lines. Another word for supplementary angles, meaning that they add up to equal 180 degrees. linear pair

Two lines that intersect. The relationship between the two lines meet at a right angle. perpendicular

A 2-dimensional shape that has three sides and three angles. There are three types of a ________; Equilateral, Isosceles, and Scalene. triangle

Two angles that add up to equal 90 degrees. Two angles that add up to 180 degrees are supplementary, while two angles that add up to 90 degrees are _________. complementary

The perimeter or distance around the edge of a circle. The equation to find the __________ is πd or 2πr. circumference

A straight path that extends in two opposite directions without end, and has no thickness. A _________ can contain infinite points. line

A part of a line that consists of two endpoints. This forms when two points are connected. segment

A part of a line that consists of one endpoint. When naming a _________, the endpoint MUST com first. ray

A 3-dimensional point, line, or shape. It is a region in which objects exist. space

The distance from the center to the circumference of a circle. It is half of the circle's diameter. radius

A transformation that turns an image around a given point. It can be transformed by turning it clockwise or counterclockwise. rotation

Unit to measure angles. One __________ is the angle measurement of 1/360th of a circle. degrees

The common endpoint of two or more rays or line segments. It is the corner or point where lines meet. vertex

A trigonometric function used in a right angled triangle. It is the length of the adjacent side divided by the length of the hypotenuse. cosine

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- Crossword Puzzle

An angle that measrues 180 degrees. straight

A line that goes up and down vertical

A straight path that has a beginning but not ending. ray

A math tool used for measuring or drawing angles. protractor

The middle point. midpoint

Two rays that have a common end point angle

An angle that measures more than 180 degrees but less than 360. reflex

Two lines that form right angles where they intersect. perpendicular

A straigh path that has a beginning and an ending. segment

An angle that measures more than zero degrees but less than 90. acute

where lines cross over a common point. intersection

Two angles that are next to each other. adjacent

A line that goes from side-to-side. horizontal

Something that has an end. finite

Angles that are opposite each other when two lines intersect. vertical

Two angles whose sum is 180 degrees. supplementary

Two angles whose sum is 90 degrees. complementary

Two lines that never cross or touch. parallel

Never ending. infinite

An angle that measures more than 90 degrees but less than 180. obtuse

As traigh path that goes on infinitely in either direction. line

A point where two angles begin or meet. vertex

When a figure is folded in half and the two halves match perfectly. symmetry

An angle that is 1/4 of a circle. right

A unit used to measure an angle. degree

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- Crossword Puzzle

Part of a line that has one end point and extends indefinitely in one direction. Ray

A pair of non-adjacent angles formed when two lines intersect. Vertical

Two angles which share a common side and vertex but have no common interior points (they do not overlap). Adjacent

A point that divides a segment into two congruent segments. Midpoint

An angle whose measure is 90 degrees. Right

Part of a line with two endpoints. Line Segment

Two angles with measures that have a sum of 180 degrees. Supplementary

An angle whose measure is 180 degrees. Straight

A pair of adjacent angles with non-common sides that are opposite rays. Linear Pair

A point, line, ray, or segment that divides a segment or angle into two congruent pieces. Bisector

Two angles with measures that have a sum of 90 degrees. Complementary

An angle whose measure is less than 90 degrees Acute

An angle whose measure is greater than 90. Obtuse

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Objects that share the same center Concentric

A point where all point are equal distance from Center

Straight line who's endpoint a lie on the edges of the circle Chords

A straight line segment that passes through the center of the circle and whose endpoints lie on the circle Diameter

The length of a line segment from its center to its perimeter. Radius

A straight line that intersects a curve at two or more points Secant

A line that touches the circle at exactly one point, never entering the circle's interior. Tangent

The set of all points in a plane that are at a given distance from a given point Circle

A part of the circumference of a circle or other curve. Arc

An inscribed angle is the angle formed in the interior of a circle Inscribed Angle

Circle which passes through all the vertices of the polygon. Circumscribed Angle

A line, curve, or surface meeting another line, curve, or surface at a common point and sharing a common tangent line or tangent plane at that point Point of Tangency

Smaller of the two arcs formed when a circle is divided into two unequal parts Minor Arc

The larger of the two arcs formed when a circle is divided into two unequal parts. Major Arc

One-dimensional locus of points that forms half of a circle Semi-Circle

Straight lines from its extremities are joined at that point: Subtend

The angle formed the interior of a circle when two secant lines (or, in a degenerate case, when one secant line and one tangent line of that circle) intersect on the circle. Inscribed Angle

When two straight lines cross a circle, the part of the circle between the intersection points is called the Intercepted Arc

- Type
- Crossword Puzzle

branch of mathematics that deals with points, lines, planes, and solids and examines their properties geometry

has no size, length, width, or height. represented by a dot and named by a capital letter point

set of all points space

points that lie on the same line collinear points

points that lie on the same plane coplaner points

line that consists of two points and all points between them segment

the part of a line that contains an endpoint and all other points extending in the other direction ray

things measuring to the same size or length congruent

a point that divides a segment into two congruent parts midpoint

angle whose measure is between 0 and 90 degrees acute angle

an angle that measures 90 degrees right angle

an angle whose measure is greater than 90 but less than 180 degrees obtuse angle

an angle whose measure is 180 degrees straight angle

triangle with no sides congruent scalene

triangle that has a right angle included right triangle

two angles whose sum is 90 degrees complementary

two angles whose measures sum up to 180 degrees supplementary

line that intersects a circle in two points secant

segment that connects two ponts on a circle chord

comparison of two numbers by divison ratio

congruent polygons lying in parallel planes bases

equation that sates two ratios are equal proportion

parellelogram with consecutive sides congruent rhombus

four sided figure with all sides congruent square

a line segment with two points on a cirlce that passes through the center diameter

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- Crossword Puzzle

marks a location and is named by a capital letter; it has no thickness and 0 dimension. Point

An infinite set of points that goes on forever; it has no thickness and it is one dimensional Line

A flat surface that goes on forever in two directions; an infinite set of points; it has no thickness and is two dimensional. Plane

Points that lie on the same line. Collinear

Points that lie on the same plane. Coplanar

Part of a line consisting of two end points and all the points between them. Line Segment

Part of a line that starts at a particular point and extends infinitely in one direction. Ray

Two lines that intersect to form right angles. Perpendicular

Lines that do not intersect but are in the same plane. Parallel

Two rays that share a common endpoint but extends in opposite directions and makes a line. Opposite ray

A point that divides a segment into two congruent segments. Midpoint

Marks the end of a line segment or ray. Endpoint

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- Crossword Puzzle

A portion of a circle defined by two endpoints arc

A segment with endpoints at the center and on the circle radius

A segment with endpoints on the circle chord

An irrational number =C/d pi

Set of points in a plane equidistant from the center circle

A line in the same plane as the circle which intersects the circle in exactly on point tangent

When every side of the polygon is tangent to the circle circumscribedpolygons

A chord that passes through the center diameter

Region bounded by an arc and a chord segmentofcircle

Region bounded by a central angle and its intercepts arc sectorofcircle

An arc greater than 180 degrees majorarc

Arc formed by an inscribed angle interceptedarc

When all vertices of a polygon lie on the circle inscribed

When two circles have congruent radii congruent

A line that intersects a circle in exactly two points secant

Has a vertex on a circle and sides that contains cords of a circle inscribedangle

Point where a tangent line touches a circle pointoftangency

A segment of a secant line that has exactly one endpoint on the circle secantsegment

A secant segment that lies in the exterior of the circle externalsecantsegment

Segment of a tangent with one endpoint on the circle tangentsegment

Arcs in a circle that have exactly one point in common adjacentarcs

Line, ray, or segment this is tangent to two circles in the same plane commontangent

Arcs with the same measurement congruentarcs

An arc equal to 180 degrees semicircle

Two segments created by two chords intersecting in a circle chordsegment

When circles are coplanar and have the same center concentric

An arc less than 180 degress minorarc

An angle with the vertex in the center of the circle centralangle

A circle is ________ about a polygon if it contains all vertices of that polygon circumscribed

Distance between two endpoints along an arc measured in linear units arclength

Distance around a circle circumference