Question

A ladder 5 metre long is a window of a house 4 metre above the ground determine the distance of the foot of the ladder from the house

Answer 1

H² = P² + B²

B² = H² - P²

B² = 5² - 4²

B² = 25 - 16

B² = 9

B = $\sqrt{9}$

B = 3

Answer 2

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