find the perimeter of a rectangle of length a CM and breadth b CM. divide the perimeter by 2 and then square it Write algebraic expression obtain
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perimeter of rectangle = 2(a+b)
dividing by 2 = 2(a+b)/2 = (a+b)
squaring it = (a+b)^2 = a^2+b^2+2ab
dividing by 2 = 2(a+b)/2 = (a+b)
squaring it = (a+b)^2 = a^2+b^2+2ab
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