Squaring the Circle

Calculating side of the square with the same area as the circle of radius 18.

Result

x =  31.9

Solution:

S1=S2 πr2=a2 a=rπ a=31.9S_1 = S_2 \ \\ \pi r^2 = a^2 \ \\ a = r \sqrt\pi \ \\ a = 31.9



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