Question

15m long ladder is leaning against the side of wall its foot is 12m away from wall how far above the ground is the point where the touch the wall?​

Answer 1

Answer:

The ladder touches the wall 81 m above the ground.

Step-by-step explanation:

The ladder, wall and ground form a right angle triangle.

(AC)² = (AB)² + (BC)²

(15)² = (AB)² + (12)²

225 = (AB)² + 144

(AB)² = 225 - 144 = 81

AB = 81 m