Asked by Anonymous
A 13-foot ladder is placed against a wall. If the ladder cannot be placed at a slope less than 2.4, what is the minimum height of the wall?
A.5 feet
B.12 feet
C.20 feet
D.13 feet
E.8 feet
A.5 feet
B.12 feet
C.20 feet
D.13 feet
E.8 feet
Answers
Answered by
Henry
The 13-foot ladder is the hyp. of a rt
triangle.
tanA = m = 2.4,
A = 67.38 deg.
h = 13*sin67.38 = 12 Ft.
triangle.
tanA = m = 2.4,
A = 67.38 deg.
h = 13*sin67.38 = 12 Ft.
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