Square Roots and Perfect Squares

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What is a perfect square?

Back

A perfect square is a number that can be expressed as the square of an integer. For example, 1, 4, 9, 16, and 25 are perfect squares.

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What is the square root of a number?

Back

The square root of a number is a value that, when multiplied by itself, gives the original number. For example, the square root of 9 is 3 because 3 x 3 = 9.

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What is the area of a square with a side length of 5 cm?

Back

The area of a square is calculated as side length squared. So, area = 5 cm x 5 cm = 25 cm².

Front

If the area of a square is 36 cm², what is the length of one side?

Back

The length of one side is 6 cm, since 6 cm x 6 cm = 36 cm².

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