A ladder, with its foot in the street, makes an angle of 30 with the street when its top rests on a building on one side of the street and makes an angle of 40 with the street when its top rests on a building on the other side of the street. If the ladder is 50 ft. long, how wide is the street? A. 96.2 ft. B. 81.6 ft. C. 78.5 ft. D. 64,3 ft.
A ladder, with its foot in the street, makes an angle of 30 with the street when its top rests on a building on one side of the street and makes an angle of 40 with the street when its top rests on a building on the other side of the street. If the ladder is 50 ft. long, how wide is the street? A. 96.2 ft. B. 81.6 ft. C. 78.5 ft. D. 64,3 ft.
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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9. A ladder, with its foot in the street, makes an angle of 30 with the street when its top rests on a building on one side of the street and makes an angle of 40 with the street when its top rests on a building on the other side of the street. If the ladder is 50 ft. long, how wide is the street?
A. 96.2 ft.
B. 81.6 ft.
C. 78.5 ft.
D. 64,3 ft.
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