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March 28, 2015

March 28, 2015

Posted by **rocio** on Wednesday, March 23, 2011 at 8:46pm.

- geometry -
**Reiny**, Wednesday, March 23, 2011 at 10:43pmI don't understand

abcd = 28

I will assume that 28 and 45 are two of the sides and 53 is the diagonal.

If it it a rectangle,

28^2 + 45^2 = 53^2

2809 = 2809 , true, so yes it is a rectangle

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