find the area of isoceles right triangle if one of the right sides is 20cm long.
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10
Well since it is an isosceles right triangle with one right side 20com therefore when we use the formula 1/2bh we get 1/2 *20*20 =200 sq.cm
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Base is 20cm height is 20cm(isosceles triangle)20×20×1/2=200cmsq
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