2

52.

5² = 25, then square root of 25 = ____.

8² = 64, then square root of ___ = 8.

10² = 100, then square root of ____ = 10.

Using prime factorisation, find the square root of:

(a) 81 (b) 144 (c) 225

(d) 324 (e) 7056

Find the square root of 6400.

Is 2352 a perfect square? If not, find the smallest multiple of 2352 which is a perfect square. Find the square root of the new number.

Find the smallest number by which 9408 must be divided so that the quotient is a perfect square. Find the square root of the quotient.

Find the smallest square number which is divisible by each of the number 6, 9 and 15.

Using the long division method find the square root of the following numbers.

(i) 529 (ii) 4096 (iii) 14400

(iv) 729 (v) 1296