A 12-ft ladder is leaning against a building. The bottom of the ladder is 7 ft from the building. How high is the top of the ladder?

asked Jul 7, 2018 198k views

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2 votes

Approximately 9.75 feet tall

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3 votes

Pythagorean theorem:

√(12²-7²=A²)

9.75 feet = A

A being the height of the building aka where the top of the ladder is

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