20 is not the square of an integer, the square root of 20 is approximately equal to 4.472.
The only square number between 20 and 30 is 25.
It is a square number because 20 times 20 = 400
One square inch is equal to 2.542 = 6.4516 square centimetres. Therefore, 20 square inches is equal to 20 x 6.4516 = 129.032 square centimetres.
The 4 equal dimensions of a square with an area of 20 square meters is the square root of 20
20 square meters are 215.278208 square feet.
20 (square meters) = 215.278208 square feet
400 square feet. This is an easy calculation - just multiply the length in feet by the width in feet. The answer is the number of square feet.
A perfect square is a rational number equal to the square of a whole number.
The square of 9 more than a number is equal to nine more than the square of a number. What is the number?
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