Question

a 15 m long ladder reached a window 12 m high from the ground on placing it against a wall as a distance a . find the distance of the foot of the ladder from the wall​

Answer 1

Answer:

length of the ladder is 15m

it reaches the will reach thr window at 12m

now 12m is the hypotenuse and 15 is the perpendicular

see in the attachment

now

ATP

hypotenuse ^2=base^2+perpendicular^2

12^2=x^2+15^2

144=x^2+225

x=9

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