7
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(3 root 7) squared = (3 root 7) (3 root 7) = (3x 3) ( sq root 7 x 7) = 9 x sq root 49 = 9 x 7 = 63
sq. root of 75 = sq. root of (25 x 3) = (sq. root of 25)(sq. root of 3) = 5(sq. root of 3)
sq root (112.7) = 10.6160256.... sq root (112.7) = 10.6160256....
The square root of 49 is 7.7 times 7 is 49, so the square root of 49 is 7. 7
3.5714