Unit 5 Test - Right Triangle Trigonometry

Front

What mode should your calculator be in to compute trigonometric functions?

Back

DEGREE MODE

Front

In a right triangle, if sin (2x+7)° = cos (4x−7)°, what is the value of x?

Back

15

Front

Find the value of x if the triangle has sides of lengths 2√7, 7√2, √28, and 28.

Back

2√7

Front

Which set of side lengths form a right triangle? 4, 8, 12, 12, 13, 20, 20, 21, 29, 48, 55, 74

Back

20, 21, 29

Front

Find the value of x if the options are 12, 4√2, √32, and 16.

Back

16

Front

What is the definition of sine in a right triangle?

Back

Sine is the ratio of the length of the opposite side to the length of the hypotenuse.

Front

What is the definition of cosine in a right triangle?

Back

Cosine is the ratio of the length of the adjacent side to the length of the hypotenuse.

Front

What is the definition of tangent in a right triangle?

Back

Tangent is the ratio of the length of the opposite side to the length of the adjacent side.

Front

What is the Pythagorean theorem?

Back

In a right triangle, a² + b² = c², where c is the hypotenuse.

Front

If the opposite side is 3 and the hypotenuse is 5, what is sin θ?

Back

sin θ = 3/5.