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anonymous
 one year ago
Find the length of the unknown side. Round your answer to the nearest tenth.
Image of a right triangle with a leg of 4, hypotenuse of 18, and second leg unknown.
16.5 17.5 18.5 22.0
anonymous
 one year ago
Find the length of the unknown side. Round your answer to the nearest tenth. Image of a right triangle with a leg of 4, hypotenuse of 18, and second leg unknown. 16.5 17.5 18.5 22.0

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anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Just use Pythagorean theorem. \[\large 18^{2}~~4^{2}~=~x^{2}\]

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0so do I subtract 184

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0See those squares? 18 squares minus 4 squared.

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0\[\large 18^{2}~=~18 \times 18\\\large 4^{2}~=~4 \times 4\]

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0so do I multiply 324x6?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0\[\large (18 \times 18)~~(4 \times 4)~=~x^{2}\\\large 324~~16~=~x^{2}\\\large 308~=~x^{2}\\\large \sqrt{308}~=~x\]

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0And that would be it.
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