The square roots of 324 are 18 and -18. 18 x 18 = 324. -18 x -18 = 324.
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324^2 = 324 * 324 = 104,976
If the area of the square is 324 square inches then its perimeter is 4*18 = 72 inches
18 ithat should be a lower case i to represent the imaginary unit. Square roots of negatives are factored into (-1) x a 2nd positive factor ... (-1) x 324 in this problem.the square root of (-1) is defined as the imaginary unit represented by i
1 square foot => $7.50324 square feet = (324) times (1 square foot) => (324) times ($7.50) = $2,430.00