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To square a number, you multiply it by itself. In this case, 21 x 21 is 441
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∙ 10y ago
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How do you find square root of square 21?
The square root and square functions are inverse of one another EXCEPT that square root is not really a function: it is a 1-to-many mapping. So sqrt(square(21)) = sqrt(441) = ±21
How many square feet in a 21' x 21' room?
21*21 = 441 square feet.21*21 = 441 square feet.21*21 = 441 square feet.21*21 = 441 square feet.
What is the square of 21?
the square of 21 is 441
What is the square root of 21?
The square root of 21 is 4.58257569495584.
Square root of 21?
The square root of 21 is 4.58257569495584.
Is 21 a square number?
21 is not the square of an integer. The closest square number is 25.
How large is 21 square meters?
21 square meters is 226.04 square feet.
How many square yards is 21 feet by 21 feet?
21 feet by 21 feet is 441 square feet which converts to 49 square yards.
What is 21 by 21 feet?
21 feet by 21 feet is a square having an area of 441 square feet.
Is 21 a square number itself?
No, 21 is not a square number. A square number is the result of multiplying an integer by itself, and 21 cannot be expressed as the square of an integer.
What is the square rout of 21?
There is no exact value for the square root of 21. √21 = 4.5825757 (7dp)
How do you find the square root of 21?
21 is not a perfect square, and none of its factors (1, 3, 7, 21) are perfect squares either, so √21 is already simplified. The easiest way to compute an approximate value is using a calculator; if you are familiar with calculus, Newton's method works to find an approximation manually. Either way, it is approximately equal to 4.58258.
