the perimeter of a square is 28 cm find area and length of a diagonal
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area=49cm^2
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P=4×side
28=4×side
side=28/4
side=7 cm
area=side×side
area=7×7
49 cm2
28=4×side
side=28/4
side=7 cm
area=side×side
area=7×7
49 cm2
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