Quiz about #6 Chp.4-Trig Applications Assign(1)-per7

Question 1

A 25ft ladder is leaning up against a wall. If the ladder makes a 63^o with the ground, how far is the base of the ladder from the wall?

Accepted Answer

11.3 ft

Answer

12.4 ft

Answer

22.3 ft

Answer

49.1 ft

Question 2

Find the height of the tree. Assume the angle looking up to the tree is 38^o.

Accepted Answer

17.5 ft

Answer

12.5 ft

Answer

11.9 ft

Answer

6.88 ft

Question 3

A 15ft ladder is leaning up against a wall. The top of the ladder makes a 12^o with the wall, how far is the base of the ladder from the wall?

Accepted Answer

3.12 ft

Answer

14.7 ft

Answer

14.6 ft

Answer

5.16 ft

Question 4

Susan is flying a kite, which gets caught in the top of a tree.  Use the diagram to estimate the height of the tree.

Accepted Answer

87 ft

Answer

63 ft

Answer

65 ft

Answer

74 ft

Question 5

Solve for the misssing distance

Accepted Answer

18.9

Answer

19.5

Answer

47

Answer

27.5

Question 6

A hawk sitting on a tree branch spots a mouse on the ground 15 feet from the base of the tree.  The hawk swoops down toward the mouse at an angle of 30 degrees. What is the distance from the tree branch to the mouse?

Accepted Answer

30 ft

Answer

7.5 ft

Answer

15 ft

Answer

26 ft

Question 7

Solve for the missing angle.

Accepted Answer

36.9

Answer

50.1

Answer

0.0532

Answer

95.0

Question 8

A tourist views a deer from a height of 45 feet.  The horizontal distance between the tourist and the deer is 130 feet.  At what angle (x) should the tourist hold his camera to photograph the deer? Round your answer to the nearest degree.

Accepted Answer

71 degrees

Answer

19 degrees

Answer

45 degrees

Answer

138 degrees

Question 9

A ramp is being built next to a 4-inch high sidewalk. The ramps angle of inclination is 10 degrees.  Estimate the length of the ramp to the nearest tenth of an inch.

Accepted Answer

22.7 inches

Answer

4.1 inches

Answer

3.9 inches

Answer

0.7 inches

Question 10

A yacht is anchored 90 feet offshore from the base of a lighthouse.  The angle of elevation from the boat to the top of the lighthouse is 26 degrees.  The distance between the yacht and the top of the lighthouse is about 100 feet.  Which of these is nearest to the height of the lighthouse?

Accepted Answer

45 feet

Answer

25 feet

Answer

110 feet

Answer

135 feet

#6 Chp.4-Trig Applications Assign(1)-per7

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