Question

how we find the square root of 15.21 using square root table up to 2 decimal s​

Answer 1

Step-by-step explanation:

The square root of 15.21 can be written as ( 15.21 )^1/2 So..,

( 15.21 ) ^ 1/2 = ( 3.9 * 3.9 ) ^ 1/2

( 15.21 ) ^ 1/2 = [ ( 3.9 ) ^2] 1/2

( 15.21 ) ^ 1/2 = ( 3.9 ) ^ 2/2

( 15.21 ) ^ 1/2 = ( 3.9 ) ^ 1

Therefore , √15.21 = 3.9

For finding it more & further

First learn the Babylonian Method.

Hope this will helpful.