Quiz about Solve Right Triangles with Trig

Question 1

You are standing 10 feet away from a tree. There is a cat up in the tree. Your eyes make a 48 degree angle to look up at the cat. How high is the cat?

Accepted Answer

11.1 ft.

Answer

9 ft.

Answer

7.4 ft.

Answer

13.8 ft.

Question 2

A tourist views a deer from a height of 45 feet. The horizontal distance between the tourist and the deer is 130 feet. How many degrees should the tourist tilt his camera down to photograph the deer? Round your answer to the nearest degree.

Accepted Answer

19 degrees

Answer

45 degrees

Answer

71 degrees

Answer

138 degrees

Question 3

Which trigonometric function would you use to find "h", the height of the tree?

Accepted Answer

tangent

Answer

sine

Answer

cosine

Answer

none of these

Question 4

To find the height of a very tall pine tree, you place a mirror on the ground and stand where you can see the top of the pine tree. How tall is the tree?

Accepted Answer

72 feet

Answer

144 feet

Answer

36 feet

Question 5

Find a.

Accepted Answer

$$3\sqrt{3}$$

Answer

3

Answer

6

Answer

$$\sqrt{3}$$

Question 6

Find the height of the tree.

Accepted Answer

15 ft

Answer

8 ft

Answer

12 ft

Answer

13 ft

Question 7

A 10 ft. tree creates a shadow that is 15 ft. long. Find the angle of elevation of the sun.

Accepted Answer

34 degrees

Answer

56 degrees

Answer

72 degrees

Answer

15 degrees

Question 8

A 13 ft. ladder is leaning against the house. The top of the ladder touches the house at 10 feet above the ground. How far away is the bottom of the ladder from the house?

Accepted Answer

8.3 feet

Answer

10 feet

Answer

7.5 feet

Answer

3.8 feet

Question 9

A 30 ft. wire stretches from the top of a light pole diagonally to the ground. The light pole is 10 feet high. What is the angle the wire makes with the ground?

Accepted Answer

19 degrees

Answer

66 degrees

Answer

80 degrees

Answer

30 degrees

Question 10

A power line stretches from the top of a building to the ground. The power line is 100 ft. long and the building is 50 ft. tall. What is the horizontal distance from the end of the power line to the building?

Accepted Answer

86.6 ft.

Answer

220.3 ft.

Answer

100 ft.

Answer

73.8 ft.

Solve Right Triangles with Trig

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