SOLUTION: A 20 - ft ladder is leaning against a wall. The top of the ladder is 15 - ft above the ground. How far is the bottom of the ladder from the wall?

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Question 634237: A 20 - ft ladder is leaning against a wall. The top of the ladder is 15 - ft above the ground. How far is the bottom of the ladder from the wall?
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
20^2=15^2+a^2
a=5sqrt(7)=13.23 ft