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Rectangle \(ABCD\) contains a point \(X\) such that \(AX=1, BX=7, CX=8\). Find \(DX\).

 Jul 8, 2021
 #1
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+1

BC = sqrt(82 - 72) = √15

 

DX = sqrt(15 + 1) smiley

 Jul 8, 2021

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