# What is the square root of 7921?

##### 1 Answer

Mar 20, 2018

89

#### Explanation:

What's the bigger perfect square minor than 7921?

is 64.

The square root will start by a 8 (

1) Subract 6400 from 7921 and you obtain 1521.

2)take 8 multiply it by 20 and add find the larger number

3) so the solution is 89