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OpenStudy (anonymous):
Need help. Please. Find the perimeter of the following polygon. https://d3myway.brainhoney.com/Resource/13056615,411,0,6/Assets/flvs/lamath_v8_gs_e11-xml/res0121/11_10_05.gif
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OpenStudy (tfht):
first y to find half of the bottom you do [13^{2}-12^{2}=5^{2}\] then you add 5+5 and you get the bottom side and the triangles are congruent by hypotenuse leg thm. so you add 13+13+10 to get the perimeter
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