SOLUTION: The foot of an extension ladder is 15 ft from a wall. The ladder is 5 ft longer than the height that it reaches on the wall. How far up the wall does the ladder reach?

SOLUTION: The foot of an extension ladder is 15 ft from a wall. The ladder is 5 ft longer than the height that it reaches on the wall. How far up the wall does the ladder reach?

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Question 316434: The foot of an extension ladder is 15 ft from a wall. The ladder is 5 ft longer than the height that it reaches on the wall. How far up the wall does the ladder reach?
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
Use the Pythagorean theorem,

The ladder reaches 20 feet up the wall and is 25 feet long.
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