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The perimeter of a triangle is 22cm. If one of the sides is 9 cm . Find the other side if the area of the triangle is 20.976cm2

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Soln 
L×L=area of a rectangle
9cm×£=20•976
9cm£=20•976cmtouch and hold a clip to pin it. unpinned clips will be deleted after 1 hour. 
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