the length of a side of equilateral triangle is 12cm. what is the area of a square of perimeter equal to that of the triangle
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perimeter of the triangle = (3 x 12)cm^2 =36 cm^2
let 'a' be each side of the square
perimeter of the square = perimeter of the triangle
4 x a = 36
a = 9
area of the square = (a)^2 cm^2 = (9)^2 = 81 cm^2
let 'a' be each side of the square
perimeter of the square = perimeter of the triangle
4 x a = 36
a = 9
area of the square = (a)^2 cm^2 = (9)^2 = 81 cm^2
neha80:
hey thanks
wlcm
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