Question

1. Using the prime factorisation method, find which of the following numbers are perfect
squares:
(i) 441
(i) 576
(iii) 11025
(iv) 1176
(v) 5625
(vi) 9075
(vii) 4225
(viit) 1089
​

Answer 1

i)21

ii)24

iii)105

iv)34.30

v)75

vi)95.27

vii)65

viii)33