11. The proper angle for a ladder is about 75° from the ground. Suppose you have a 17-foot ladder. How far from the wall of the house should you place the base of the ladder? A. 17 cos(75°) 17 С. cos(75°) 17 B. 17 sin(75°) D. sin(75°)

11. The proper angle for a ladder is about 75° from the ground. Suppose you have a 17-foot ladder. How far from the wall of the house should you place the base of the ladder? A. 17 cos(75°) 17 С. cos(75°) 17 B. 17 sin(75°) D. sin(75°)

Elementary Geometry For College Students, 7e

7th Edition

ISBN:9781337614085

Author:Alexander, Daniel C.; Koeberlein, Geralyn M.

Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.

Chapter5: Similar Triangles

Section5.5: Special Right Triangles

Problem 3E: For the 30-60-90 triangle shown, suppose that XZ=a. Find: a YZ b XY

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Question

11. The proper angle for a ladder is about 75° from the ground. Suppose you
have a 17-foot ladder. How far from the wall of the house should
you
place the base of the ladder?
17
A. 17 cos(75°)
С.
cos(75°)
17
B. 17 sin(75°)
D.
sin(75°)

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