a wire in shape of square of area 169sqm is reshaped in a rectangle with breadth 4m what is area of the rectangle
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Area of square= sxs
169sqm= sxs
√ 169sqm= √ s
side = 13m
perimeter of square= perimeter of rectangle
4×side= 2(l+b)
4×13m = 2 (l+ 4m)
52m= 2(l+4m)
52÷2= l+4m
21m= l + 4m
l= 21m-4m
= 17m
Area of rectangle= l×b
=17m× 4m= 68sqm
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