square - square root

Numbers to remember (Square and square root of a real number )

How can we use perfect squares to estimate a square root, such as sqrt8 ?

Find the least number from which 9408 should divided to make it a perfect square. Also find square root of the product.

Find the least number of four digits which is perfect square. What is the square root of this number ?

Find the greatest number of five digits which is perfect square. What is the square root of this number ?

Property 3 The square root of an even square number is even and that square root of an odd square number is odd.

Using square root table, fine the square roots of the following : (i)82

Using square root table, fine the square roots of the following :(i) 1312

Calculation of square root and cube root