Right Triangle Trig Pretest

What trigonometric ratio would be used to find the distance from the ship to the plane?

• sine

• cosine

• tangent

• inverse sine

Solve the right triangle.

• <A = 34^o, <C = 56^o, AC = 5.59

• <A = 56^o, <C = 34^o, AC = 5.59

• <A = 34^o, <C = 56^o, AC = 9.01

• <A = 56^o, <C = 34^o, AC = 9.01

Solve the right triangle.

• <B = 39^o, AB = 11.58, AC = 7.29

• <B = 39^o, AB = 7.29, AC = 11.58

• <B = 129^o, AB = 11.58, AC = 7.29

• <B = 129^o, AB = 7.29, AC = 11.58

Find x.

• 4

• 2

• √3

• 2√2

What is the length of y?

• 8√2

• 4√2

• 4

• 8

What is the value of x?

• 18√2

• 18

• 2√9

• 9√2

What are u and v in this 30-60-90 triangle?

• v = 2√3 u = 6

• v = 4 u = 4√3

• v = 4 u = 4√2

• v = 4√3 u = 8√3

Solve for x. Round to the nearest tenth.

• 103.5

• 4.7

• 55.0

• 23.4

Solve for x. Round to the nearest tenth.

• 9.8

• 0.1

• 0.038

• 9.9

Set up the problem...

• sin X = 41/28

• tan X = 41/28

• cos X = 28/41

• sin X = 28/41