Notice that 720 = (4 x 5 x 36)
sqrt(720) = sqrt(4 times 5 times 36)
= sqrt(4) times (sqrt(5) times sqrt(36)
= (2) times sqrt(5) times (6)
= 12 sqrt(5)
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No, pi is not used to solve a square root problem.
What square root property is essential to solve any radical equation involving square root?
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To solve this problem, you must first solve the smaller problems. The square root of 25 is 5, and the square root of 120 is 10.95. First solve the equation on the left side of the multiplication sign, which is 4 x 5. Now, multiple the answer of 20 by 10.95, which is 219.
i21 = square root of (-441)