Module 13 Review

Write the trigonometric ratio for cos X as a fraction..

• 15/12

• 9/12

• 12/15

• 12/9

Which angle has a cosine of 3/5?

• Angle C

• Angle A

• Angle B

What expression can be used to find AC?

• 7.8/cos 23

• 7.8/sin 23

• 7.8(cos 23)

• 7.8(sin 23)

What expression can be used to approximate m∠U ?

• cos^-1(.38)

• sin^-1(.38)

• ^tan-1(.38)

• sin^-1(2.6)

To the nearest degree, what is m∠A?

• 35⁰

• 63⁰

• 55⁰

• 53⁰

A slide 3.8 m long makes an angle of 25° with the ground. How high is the top of the slide above the ground?

• 1.61m

• 2.32m

• .61m

• 5.25m

A 12-foot ladder is leaning up against the side of a house. The ladder makes an angle of 62º with the ground.

How far up the side of the house does the ladder reach?

• 10.7 ft

• 11.6 ft

• 10.6 ft

• 33.3 ft

City A is 350 miles due south of City B. City C is 500 miles due east of City B. What is the measure of ∠C

to the nearest degree?

• 45⁰

• 90⁰

• 35⁰

• 55⁰

A skateboard ramp makes a 22⁰ angle with the ground. To the nearest foot, how high is the ramp?

• 12 ft

• 13 ft

• 22 ft

• 21 ft

From a point on the ground 12 feet in front of the building, the angle of elevation to the top of the building is

76⁰. How tall is the building? Round the answer to the nearest foot.

• 84 ft

• 23 ft

• 12 ft

• 48 ft