Factor under the radical.
sqrt(72)
sqrt(3^2 * 8)
3sqrt(8)
3sqrt(2^2 * 2)
6sqrt(2)
check and you see that sqrt(72) and 6sqrt(2) are equivalent
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The diagonal of a square whose area is 36 is the square root of 72, or about 8.49. Since the area of a square is side(squared), then the sides are each 6. Then since a(squared) + b(squared) = c(squared), for a triangle (the diagonal), you get the square root of 72.
Let (x1, y1) = (-2, 0) and (x2, y2) = (5, 3). Distance between two points = square root of [(x2 - x1)2 + (y2 - y1)2] = square root of [(5 - -2)2 + (3 - 0)2] = square root of (72 + 32) = square root of 58
no. 72 is not a square number.
72 square inches is a measurement of area.
72 square feet = 8 square yards.