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In rectangle WXYZ, A is on side \overline{WX} such that AX = 4, B is on side \overline{YZ} such that BY = 18, and C is on side \overline{XY}
 such that \angle ACB= 90^\circ and CY = 2CX. Find AB.


 

 Jun 7, 2020
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By Pythagoras, AB = 4*sqrt(47).

 Jun 14, 2020

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