Question

A 10m long ladder which torches the window at a height of 8m away from its center

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Answer 1

Answer:

Let AC be the ladder, AB be the wall.

Then in △ABC,

AC2=AB2+BC2 (Pythagoras theorem)

102=82+BC2

BC2=62

BC=6 m

Hence, the foot of the ladder is 6 m from the wall.