1. A man walked along a straight level path toward a building. At one point the angle of elevation of the top of the building is 40°. As you walk 250 m closer, the angle of elevation is 45°. How far is the man to the top of the building after walking 250 m closer to the building? A. 1843.69 m B. 1843.79 m C. 1843.96 m D. 1843.97 m

Elementary Geometry For College Students, 7e
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ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
Chapter3: Triangles
Section3.5: Inequalities In A Triangles
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1. A man walked along a straight level path toward a building. At one point the angle
of elevation of the top of the building is 40°. As you walk 250 m closer, the angle of
elevation is 45°. How far is the man to the top of the building after walking 250 m closer
to the building?
A. 1843.69 m
B. 1843.79 m
C. 1843.96 m
D. 1843.97 m
2. A 24-m ladder leaning against on the top of the wall with angle of elevation of 30
degrees. Then the ladder moves 6 meters towards the wall and its form the
angle elevation of 65 degrees. Find the length of the ladder that leaning against on the
top of the wall.
A. 13.14 m B. 13.24 m
C. 13.34 m
D. 13.44 m
3. Refer to the problem on item number 2. What is the most appropriate law to solve the
given problem?
A. Cosine law
For item number 4 and 5.
B. Pythagorean C. Sine law
D. Oblique
Clarkson has three sticks measuring 19 cm, 23 cm and 27 cm. He lays them
down to form a triangle.
4. Find the measure of the angle formed by the 19 cm and 27 cm sides to the nearest
degree.
A. 55°
B. 56°
C. 57°
D. 58⁰
5. Find the measure of the angle formed by the 23 cm and 27 cm sides to the nearest
degree.
A. 42°
B. 43°
C. 44°
D. 45°
Transcribed Image Text:1. A man walked along a straight level path toward a building. At one point the angle of elevation of the top of the building is 40°. As you walk 250 m closer, the angle of elevation is 45°. How far is the man to the top of the building after walking 250 m closer to the building? A. 1843.69 m B. 1843.79 m C. 1843.96 m D. 1843.97 m 2. A 24-m ladder leaning against on the top of the wall with angle of elevation of 30 degrees. Then the ladder moves 6 meters towards the wall and its form the angle elevation of 65 degrees. Find the length of the ladder that leaning against on the top of the wall. A. 13.14 m B. 13.24 m C. 13.34 m D. 13.44 m 3. Refer to the problem on item number 2. What is the most appropriate law to solve the given problem? A. Cosine law For item number 4 and 5. B. Pythagorean C. Sine law D. Oblique Clarkson has three sticks measuring 19 cm, 23 cm and 27 cm. He lays them down to form a triangle. 4. Find the measure of the angle formed by the 19 cm and 27 cm sides to the nearest degree. A. 55° B. 56° C. 57° D. 58⁰ 5. Find the measure of the angle formed by the 23 cm and 27 cm sides to the nearest degree. A. 42° B. 43° C. 44° D. 45°
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