Question

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

Answer 1

Answer:

9

Step-by-step explanation:

Hypotenuse property

a²+b²=c²

a²+12²=15²

a²=15²-12² (linear equation)

a²=225-144

a²=81

√a=9 (square root)

this is ur answer plz follow me and Mark it as brainlist.....