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Find x. Round to the nearest tenth if necessary.

Find x. Round to the nearest tenth if necessary.-example-1
User Lukaspp
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1 Answer

3 votes
Look at the picture.

Use Pythagorean theorem:


x^2+5^2=9^2\\\\x^2+25=81\ \ \ \ |subtract\ 25\ from\ both\ sides\\\\x^2=56\\\\x=√(56)\\\\\boxed{x\approx7.5}
Find x. Round to the nearest tenth if necessary.-example-1
User Proudgeekdad
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