Question

The base of a 40-foot ladder is 8 feet from the wall. How high is the ladder on the wall (round to the nearest foot)?

Answer 1

39 feet.

Explanation:

E use the Pythagoras theorem:

40^2 = 8^2 + h^2 as h is the height we require.

h^2 = 1600 - 64

h^2 = 1536

h = 39.19 feet