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An 18-foot board is leaning against a wall. It is set 6 feet from the base of the wall. How far up the wall does the board reach? Round your answer to the nearest tenth of a foot. Be right plz
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An 18-foot board is leaning against a wall. It is set 6 feet from the base of the wall. How far up the wall does the board reach? Round your answer to the nearest tenth of a foot.

Be right plz

User Piotr Labunski
by
3.8k points

2 Answers

4 votes
« foot » i speak with meters so i cant help you...
User Wiktor Walc
by
4.4k points
1 vote

Answer:

Explanation:

By the Pythagorean Theorem


h^2=x^2+y^2\\ \\ 18^2=6^2+y^2\\ \\ y^2=18^2-6^2\\ \\ y^2=324-36\\ \\ y^2=288\\ \\ y=√(288)\\ \\ y\approx 17.0ft

User Eonasdan
by
3.5k points
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