A 10 ft. ladder leans against a wall so the base of the ladder is 4 ft. from the wall. how high up on the wall will the ladder reach?

A. 9.17

B. 84

C. 10.4

Question

Jimmy Ibarra

24 October, 11:26

+2

Answers (1)

Know the Answer?

Tatiana Mata · Answer 1

Using Pythagoras theorem:-

10^2 = 4^2 + h^2

h^2 = 100 - 16 = 84

h = sqrt 84 = 9.17 ft answer

A 10 ft. ladder leans against a wall so the base of the ladder is 4 ft. from the wall. how high up on the wall will the ladder reach?A. 9.17B. 84C. 10.4