Question

he angle of elevation of a ladder leaning against a wall is 60° and the foot of the ladder is 4.6 m
wall. The length of the ladder is:
A. 2.3 m
B. 4.6 m
C 7.8 m
D. 9.2 m
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Answer 1

Length of ladder = L

Cos 60= 1/2 = 4.6/L

L= 4.6 x 2 = 9.2m