Question

A 41 foot ladder is placed against a vertical wall so that the base of the ladder is

9 feet from the base of the wall. Sketch a diagram for this situation. How far up the wall does the ladder reach?

Answer 1

40ft

Explanation:

use pythagoras to solve

c²=a²+b²

41²=9²+b²

(solve for b)

ans = 40ft