Question

find the area of the square whose perimeter is 84 CM

Answer 1

Perimeter of square = 4 * side
84 CM = 4 * side
84 CM /4 = side
21 CM = side

● Area of square = Side * Side
=> 21 * 21
=> 441 Cm^2

Hope helps......

Answer 2

let the side be x
4*x=84
x=84/4 =21
area =21*21
441 sq unit

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