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Right angled triangle BCA. The points D and E lie on the hypotenuse such that AD= DE=EB.

Also CD= 7, CE=9

What is the length of the hypotenuse AB?

 

 Feb 7, 2021
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AB = sqrt((9/5)(CD^2 + CE^2)) = sqrt((9/5)(7^2+9^2)) = sqrt(234) = 15.297.

 Mar 22, 2021

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