Geometry Vocabulary Crossword

the size of a surface
a line from the center of a regular polygon at right angles to any of its sides.
any of a set of straight lines passing through one point.
is a location.
a quadrilateral with only one pair of parallel sides
the exact middle point.
a plane figure with ten straight sides and angles.
a median of a triangle is a line segment joining a vertex to the midpoint of the opposing side.
an angle is the figure formed by two rays, called the sides of the angle, sharing a common endpoint, called the vertex
An altitude is a line which passes through a vertex of a triangle, and meets the opposite side at right angles.
a theorem is a statement that has been proved on the basis of previously established statements, such as other theorems, and generally accepted statements, such as axioms.
a rectangle in which two adjacent sides have equal length.
angle is equal to 90 degrees
A unique straight line can be drawn from any point to any other point.
The point where the three "altitudes" of a triangle meet
is a flat, two-dimensional surface that extends infinitely far.
is a part of a line that is bounded by two distinct end points, and contains every point on the line between its endpoints.
is a quadrilateral whose four sides can be grouped into two pairs of equal-length sides that are adjacent to each other.
operations are opposite operations.
the total length of the sides or edges of a polygon