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Expressed as a surd, the square root of 490 is equal to 7 root 10. Rounded to two decimal places, this is equal to 22.14.
-28(square root)10
Hypotenuse = square root of (9602 + 4902) = sqrt(1161700) = 1077.8 approx.
490 sq feet = 490/9 = 54.44... sq yards.
There are infinitely many of them. They include square root of (4.41) square root of (4.42) square root of (4.43) square root of (4.44) square root of (4.45) square root of (5.3) square root of (5.762) square root of (6) square root of (6.1) square root of (6.2)