Question

Find the square root of the following numbers by prime factorisation method. (4)
a) 42.25 b) 9025

Answer 1

Step-by-step explanation:

• 4225-845-169-13-13

(5×5)(13×13)=5×13=65

65×65=4225

• 9025-1805-361-19-19

(5×5)(19×19)=5×19=95

the square of 4225 and 9025 is 65 ,95