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garri49 [273]
3 years ago
11

A 41-foot ladder is placed against a vertical wall of an apartment building. The base of the ladder is 9 feet from the base of t

he apartment building
Mathematics
1 answer:
amid [387]3 years ago
6 0

The ladder reaches 40 feet up the wall.

41 squared (1681) minus 9 squared (81) is 1600. 40 is the square root of 1600.

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