Distance of the foot of the ladder from the building
A ladder 25m long reaches a window of a building 20m above the ground. Determine the distance of the foot of the ladder from the building.
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A ladder 25m long reaches a window of a building 20m above the ground. Determine the distance of the foot of the ladder from the building.
Categories: Uncategorized
Theta= sin -1(20/25)=sin -1(4/5)=53
distance = 20/tan (theta)
= 20 / tan 53
=20/ (4/3)
=5*3
=15
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