Question

What is the square root of 70. 56​

Answer 1

Hello Mate!!

Answer:-

Firstly , we will write 70.56 in the form of :

$\frac{7056}{100}$

Then , we'll find the square root of 7056 and 110 using factorisation method

7056 = 16 × 441

= 16 × 9 × 49

= 4^2 × 3^2 × 7^2

Hence , √7056 = 4×3×7 = 84

and √100 = 10

Thus , square root of 70.56 is 8.4