Question

A 7.5m long ladder reached a window 4.5m high from the ground on placing it against a wall at a distance 'a' find the distance of the foot of the ladder from the wall

Answer 1

Step-by-step explanation:

b=√h²-p²

b=√7.5²-4.5²

b=√56.25-20.25

b=√36

b=√6×6

b=6m

so the distance between the foot and the wall is 6m

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