10 Questions
| Total Attempts: 185

Questions and Answers

- 1.Street inclination problem: Someone wants to know the inclination angle of a street. He notices that the bricks in a fence are horizontal with respect to the street and that the horizontal distance from a point is 35 cm. From there, downward, the brick measures 6 cm of vertical distance toward the street. What is the inclination angle?
- A.
12° 13’12”

- B.
9°43´39.28”

- C.
80°16’20”

- D.
10°19´20"

- E.
None

- 2.Flag rope problem: If you need to buy a rope for the flag pole and you notice that the shadow cast by the flagpole is 11.6m. While the elevation angle of the sun is 35° 40.’ What is the length of the rope you must buy?
- A.
16.65m

- B.
32.32m

- C.
17.28m

- D.
34.23m

- E.
15.38m

- 3.Lighthouse problem: An observer watches from the top of a 60m height lighthouse a boat on the water with a depression angle of 12°42.’ What is the distance from the boat to the tower?
- A.
58.53m

- B.
13.19m

- C.
13.52m

- D.
57.27m

- E.
13.89m

- 4.Radiotherapy problem: A gamma-ray tube is used to treat a tumor located 5.7 cm under the skin of the patient. In order not to damage an organ on top of the tumor, the technician moves the tube 8.3 cm. to one side. What would be the angle of the tube for the gamma rays to affect the tumor?
- A.
34°28’45”

- B.
55°31’14”

- C.
34°11’19”

- D.
51°35’24”

- E.
35°23’44”

- 5.Radiotherapy problem: A gamma-ray tube is used to treat a tumor located 5.7 cm under the skin of the patient. In order not to damage an organ on top of the tumor, the technician moves the tube 8.3 cm. to one side.4 How long would the ray travel through the skin?
- A.
11.45cm

- B.
16.10cm

- C.
10.06cm

- D.
15.23cm

- E.
12.06cm

- 6.Ladder problem: You lean a ladder that is 6.7m long against the wall. It makes an angle of 63° with the level ground. How high is the top of the ladder?
- A.
3.724 m

- B.
4.348 m

- C.
4.514 m

- D.
5.970 m

- 7.Submarine problem: A submarine at the surface of the ocean makes an emergency div, making an angle of 21° with the surface. If the submarine travels 300 m, how deep will it be?
- A.
107.510 m

- B.
115.246 m

- C.
205.246 m

- D.
210.47 m

- 8.Cat problem: Your cat is stuck on a tree branch 6.5m above the ground. Your ladder is only 6.7m long. If you place the ladder's tip on the tree branch, what angle will the ladder make with the ground?
- A.
75°

- B.
62°

- C.
76°

- D.
72°

- 9.Pyramid problem: The Great Pyramid of Cheops in Egypt has a square base 230 m on each side. The faces of the pyramid make an angle of 52° with the horizontal. How tall is the pyramid?
- A.
130.156 m

- B.
147.193 m

- C.
153.132 m

- D.
167.275 m

- 10.Grand piano problem: The lid on a grand piano is held open by a prop 28 In long. The base of the prop is 55 in from the lid's hinge. At what angle will the lid open when the prop is placed so that it makes a right angle with the lid?
- A.
52°

- B.
24°

- C.
42°

- D.
31°

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