# Trigonometry Crossword

Type
Crossword
Description

Always opposite of the right angle of the right triangle Hypotenuse
Will always makeup part of the angle that is being discussed and not be the hypotenuse Adjacent Side
Will never form part of the angle being discussed Opposite side
Opposite/Hypotenuse Sine
A triangle with a right angle Right triangle
A special right triangle with two congruent angle 45-45-90 Triangle
Two sides with with equal lengths Isosceles Triangle
Special right triangle that uses the ratio 1:Radical of 3:2 30-60-90 Triangle
a^2+b^2=c^2 Pythagorean Therom
Angle that is always 90 degrees Right Angle
A plane figure with three straight sides and three angles Triangle
Branch of mathematics dealing with the relations of the sides and angles of triangles and with the relevant function of any angles Trigonometry
Identical in form, size and angles Congruent
Inverse of sin Sin^-1
Inverse of Cosine Cos^-1
Inverse of Tangent Tan^-1
The angle sum of a triangle 180 Degrees
Is used to show which lines are parallel \
If all sides are the same on both of the triangle then they are congruent SSS Postulate
If two sides and the angle between them are the same then they are congruent SAS Postulate
Another word for height Altitude
In a triangle it is the line segment drawn from a vertex to the midpoint Median
If two angles are the same for two triangle then they are the same AA Postulate

## Vocabulary: Triangles Crossword

Type
Crossword
Description

opposite side over adjacent side tangent
opposite side over hypotenuse sine
angle less than 90 degrees acute
angle greater than 90 degrees obtuse
a triangle with two equal sides isosceles
a triangle with a 90 degree angle right
a triangle with three equal sides equilateral
a triangle with no equal sides scalene
the study of the relationship between the angles and the sides of a triangle trigonometry
the theorem that relates the three sides of a triangle pythagorean
the side opposite to the right angle hypotenuse
Formula that is for the distance around the shape perimeter
the amount of space within a shape area
In the area formula of a triangle, what does b stand for? base
Measure of the vertical distance height
same size same shape congruent

## Right triangle and trigonometry Crossword

Type
Crossword
Description

is the study of the relationship of the sides and angles of a triangle trigonometry
contains a right angle, which measures 90 degrees and two acute angles each less than 90 degrees right triangle
the side opposite the right angle is the hypotenuse hypotenuse
the other two sides legs
which says that the square of the length of the hypotenuse equals the sum of the squares of the lengths of the legs Pythagorean Theorem
special right triangle has acute angles measuring 30 and 60 degrees. 30-60-90 triangle
trig ratios, opposite over hypotenuse sine
trig ratio, adjacent over hypotenuse cosine
across from the theta angle opposite leg
trig ratio, opposite over adjacent tangent
isosceles right triangles sometimes referred as, acute angles are equal 45-45-90 triangle
angle between a horizontal line and the line of sight to an object above the horizontal line angle of elevation
angle which the plane descends angle of depression
is a set of three integers a, b, c which form the sides of a right angled triangle Pythagorean triple
perform the opposite operations that the sine, cosine, tangent, secant, cosecant and cotangent perform inverse trig function

## Trigonometry Word Find Word Search

Type
Word Search
Description

Angle Of Depression
SOH CAH TOA
Trigonometric Ratio
Inverse
Trigonometry
Tangent
Sine
Triangle
Right Triangle
Reference Angle
Opposite
Hypotenuse
Degree
Cosine
Bearings
Compass
Angle Of Elevation

## Trig Crossword

Type
Crossword
Description

Measurement of triangles Trigonometry
An angle less than 90 degrees Acute
An angle greater than 90 degrees and less than 180 degrees Obtuse
A trigonometric function that equals y coordinate Sine
A trigonometric function that equals x coordinate Cosine
A trigonometric function that equals y/x coordinate Tangent
The side opposite of the 90 degree angle Hypotenuse
The side opposite of the theta Opposite side
The side closest to the theta Adjacent side
Y=sin^-1 x Sine inverse
Y=cos^-1 x Cosine inverse
Y=tanX Tangent inverse
contains a right angle, which measures 90 degrees and two acute angles each less than 90 degrees Right triangle
the other two sides Legs
which says that the square of the length of the hypotenuse equals the sum of the squares of the lengths of the legs Pythagorean theorem
any triangle with two sides of the same length Isosceles triangle
isosceles with a right angle Right isosceles triangle
special right triangle has acute angles measuring 30 and 60 degrees 30,60,90
isosceles right triangles sometimes referred as, acute angles are equal 45,45,90
ratios of any two sides of a right triangle trigonometric ratios

## Trigonometry Vocabulary Crossword

Type
Crossword
Description

A theorem in geometry : the square root of the length of the hypotenuse of a right triangle equals the sum of the squares of the lengths of the other two sides. Pythagorean Theorem
A trigonometric function that is equal to the ratio of the side opposite to the side adjacent to a given angle. Tangent
A right triangle with some regular features that makes calculating triangles easier. Special right triangles
The trigonometric function that's equal to the ratios of the side opposite of a given angle to the hypotenuse. Sine
Triangles with equal corresponding angles and proportional sides. Similar Triangles
A triangle with a right angle. Right triangle
An angle with 90 degrees. Right angle
An angle that measures less than 90 degrees but more than 0 degrees. Acute angle
Two angles that have a common vertex and common sides. Adjacent Legs
A trigonometric function that is equal to the ratio of the side adjacent to an acute angle to the hypotenuse. Cosine
The longest side of a right triangle. Hypotenuse
Ina right triangle, one angle is 90 degrees and the side across from the angle is called the hypotenuse. The two sides which form the 90 degree angle are called legs of the right triangle. The legs are defined as either "opposite" or "adjacent" to the angle A. Opposite Legs

## Triangles Crossword

Type
Crossword
Description

Two equal sides, and two equal angles Isoceles
Three equal sides, and angles Equilateral
No equal sides or angles Scalene
Angles are less than 90 degrees Acute Triangle
Has a right angle Right Triangle
Angle grater than 90 degrees Obtuse Triangle
RIght angle, and 2 equal sides RIght Isoceles
Right angle, no equal sides Right Scalene
Right angle, all equal sides Right Equilateral
Angle less than 90, no equal sides Acute Scalene
Angle less than 90, all equal sides Acute Equilateral
Angle less than 90, 2 equal sides Acute Isoceles
Angle more than 90, No eequal sides Obtuse Scalene
Angle greater than 90, 2 equal sides Obtuse Isoceles
Angle grater than 90, All Equal sides Obtuse Equilateral
a2+b2=c2 Pythagoream Theorem
b x h x 1/2 Area of Triangle
4 triangle faces, 1 square base Pyramid
Opposite over Hypotenuse Sine
Three sides equal three sides sss
2 sides equal two sides, and angles are equal sas
Side of the triangle that is not Hypotenuse Adjacent
Line acroos the Right Angle Opposite
Longest Line in Triangle Hypotenuse

## Trigonometry Crossword Puzzle

Type
Crossword
Description

a straight line from the center to the circumference of a circle radius
a unit of measurement of angles degree
the longest side of a right triangle, opposite the right angle hypotenuse
statement believed to be true based on observations conjecture
all three sides are equal in a triangle equilateral
triangle that has two sides of equal length isosceles
square of the hypotenuse (the side opposite the right angle) is equal to the sum of the squares of the other two sides. Pythagorean theorem
relative sizes of two or more values ratio
figure with three straight sides and three angles triangle
the trigonometric function that is equal to the ratio of the side opposite a given angle (in a right triangle) to the hypotenuse. sine
equal to the ratio of the side adjacent to an acute angle (in a right-angled triangle) to the hypotenuse. cosine
an angle is the length of the opposite side divided by the length of the adjacent side. tangent
line forming the boundary of a closed geometric shape perimeter
when two anles have a common side and a common vertex (corner point) and don't overlap. adjacent

## Right triangles and trigonometry Word Search

Type
Word Search
Description

Pythagorean triple
Theta
Opposite
Tangent
45-45-90 triangles
Inverse trig function
Pythagorean theorem
Angel of elevation
Cosine
30-60-90 triangles
Hypotenuse
Degree
Angel of Depression
Sine

## Right Triangles and Trigonometry Crossword

Type
Crossword
Description

The side opposite the right angle of a right triangle Hypotenuse
A set of 3 positive integers that satisfy the equation c^2=a^2 + b^2 Pythagorean Triple
The positive number x that satisfies a/x = x/b Geometric mean
A ratio of the lengths of two sides in a right triangle Trigonometric ratio
Trig ratio that involves the lengths of the legs of a right triangle Tangent
Angle that an upward line of sight makes with a horizontal line Angle of elevation
Trig ratios that involve the lengths of a leg and the hypotenuse of a right triangle Sine and Cosine
Angle that a downward line of sight makes with a horizontal line Angle of depression
If tan A = x, then tan^-1 x = m<A Inverse Tangent
If sin A =y then sin^-1 y = m<A Inverse Sine
If cos A = z the cos^-1 z = m<A Inverse Cosine
Used to solve triangles with AAS or ASA Law of Sines
Used to solve triangle with SAS or SSS Law of Cosines

## Right Triangles and Trigonometry Crossword

Type
Crossword
Description

For any positive numbers, numbers multiplied such that a/x = x/b Geometric Mean
The angle btween the line of sight and the horizontal when an observer looks upward Angle of Elevation
A group of 3 whole numbers that satisfies the equation a^2 + b^2 = c^2, where c is the greatest. Pythagorean Triple
For any acute angle of a right triangle, the ratio of the measure of the leg adjacent to the acute angle to the measure of the hypotenuse. Cosine
The angle between the line of sight and the horizontal when an observer looks downward. Angle of Depression
The study of properties of triangles and trig. functions and their applications. Trigonometry
For an acute angle of a right triangle the ratio of the meaasure of the leg opposite the acute angle to the measure of the leg adjacent to the acute angle Tangent
Finding the measures of all the angles and sides of a triangle. Solving a Triangle
A ratio of the lengths of sides of a right triangle. Trigonometric Ratio
For any acute angle of a right triangle , the ratio of the measure of the leg opposite the acute angle to the measure of the hypotenuse Sine