Author Fiercelymaddie in Mathematics, 07.11.2019

Perimeter of a square with an area of 81cm2

Answered by MattD

a=9Perimeter:4*a=4*9=36cm

Answered by ehalli8

If it's a square, both sides are equal, and both sides must times together to get 81 :) The square root of 81 is 9. 9 times four ( for the four sides) gives you 37cm^2 ;)

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