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anonymous
 one year ago
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13. A ladder leans against a building. The angle of elevation of the ladder is 70°. The top of the ladder is 25 ft from the ground.
To the nearest tenth of a foot, how far from the building is the base of the ladder?
(Points : 5)
20.5 ft
30.5 ft
32.3 ft
39.5 ft
anonymous
 one year ago
I WILL FAN 13. A ladder leans against a building. The angle of elevation of the ladder is 70°. The top of the ladder is 25 ft from the ground. To the nearest tenth of a foot, how far from the building is the base of the ladder? (Points : 5) 20.5 ft 30.5 ft 32.3 ft 39.5 ft

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anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Consider the base as x and the height 25. So, as x is the adjacent cathetus and 25, the opposite, you have to use the tangent formula. Tan70=25/x
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