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A 20 foot ladder is leaned against a wall. If the base of the ladder is 8 feet from the wall, how high up on the wall will the ladder reach?
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A 20 foot ladder is leaned against a wall. If the base of the ladder is 8 feet from the wall, how high up on the wall will the ladder reach?

User Jjpcondor
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1 Answer

5 votes
20^2=400
8^2=64
400-64=336
square root of 336 is 18.33, so the latter is aprox.18 feet up on the wall.
User Dave Stallberg
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