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January 31, 2015

January 31, 2015

Posted by **kozy** on Wednesday, May 11, 2011 at 1:05am.

- college math -
**drwls**, Wednesday, May 11, 2011 at 1:45amSince it is a right triangle and 52 mm is the longest side, it is the hypotenuse and the other short side length is

sqrt[(52)^2 - (20)^2] = 48 mm

For a right triangle, either short side can be considered the base and the other short side can be considered the height. That lets you calculate the area easily.

The area is (1/2)*(20)*(48) = 480 mm^2

Add the three sides for the perimeter

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