plane figures
A rectangle ABCD, which measures 9 ft is folded once perpendicular to diagonal AC such that the opposite vertices A and C coincide. Find the length of the fold.
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MATHalinoEngineering Math ReviewA rectangle ABCD, which measures 9 ft is folded once perpendicular to diagonal AC such that the opposite vertices A and C coincide. Find the length of the fold.
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Re: plane figures
What is the dimension of the other side of rectangle?