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) ?

Question

Mathematics

Dennis Ray

29 September, 12:31

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) ?

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Answers (1)

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Mitch · Answer 1

39 feet.

Step-by-step 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