Square root of 131 lies between which two numbers?

1 Answer
May 21, 2018

11 and 12

Explanation:

To figure this out, write out the squares of numbers. Wherever the number lies between the squares, it's square root will lie between those square roots.

10^2 = 100
11^2 = 121
12^2 = 144 color(white)0stackrel(color(red)larr color(red)"131 lies between these two"
13^2 = 169

131 lies between 121 and 144, so it's square root will lie between their square roots. It will be between 11 and 12.

CHECK: What is the sqrt131?

sqrt131 = 11.45

This number between 11 and 12, so the answer is correct.