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What is a square root of a number?

The square root of a number is the value when multiplied by itself gives the number.

Which symbol is used to represent square root?

The symbol

Always means the positive square root. What are perfect squares?

A Perfect square is a number that can be expressed as the product of two equal integers.

16 is a perfect square because?

4 x 4 = 16 SAME AS 4 x 4 =16

This chart shows examples of perfect squares.

EXERCISE

Find the square root of

225

196

169

289

361