Is 21 a perfert square

Anonymous

∙ 14y ago

Updated: 8/19/2019

Square Number: A number that is a product of some integer with itself.

Therefore, 21 is not a perfect square. An example of a perfect square is 16, since 4 times 4 is 16.

Wiki User

∙ 14y ago

What else can I help you with?

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 many square feet in 3 X 7?

21 square feet.

What is the area of a square with a side length of 21 yards?

Area = 21*21 = 441 square yards

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