Q: Square root of 441

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21

The square root of 484 is 22. An easy trick to find this out is to round down to the nearest large whole number. In this case, that is 400, the square root of which is 20. If 20 x 20 = 400, what does 21 x 21 equal? Turns out that's 441. Move up to 22 x 22. There you have your answer!

square root of (2 ) square root of (3 ) square root of (5 ) square root of (6 ) square root of (7 ) square root of (8 ) square root of (9 ) square root of (10 ) " e " " pi "

square root 2 times square root 3 times square root 8

We use the property of square roots that says the square root of (ab)=square root (a) multiplied by square root of b So square root (4x)=square root (4) mutiplies by square root of x =2(square root (x)) 2sqrt(x)

Related questions

21The square root of 441 is 21

441 square root

441 has two square roots; 21 or -21.

21

It is 21

Yes because 21 is a rational number

21

12

Yes, they are.

i21 = square root of (-441)

length x length = area length = square root of 441= 21 inches

√441 = √(3^2 × 7^2) = 3 × 7.