Between what two consecutive integers does sqrt2121 lie?

2 Answers
Apr 1, 2018

sqrt21 21 lies between 4 and 54and5

Explanation:

We know that,

color(red)(sqrt16 )< sqrt21 < color(red)( sqrt25)16<21<25

=>color(red)(4 ) < sqrt21 < color(red)( 5)4<21<5

Hence sqrt21 21 lies between 4 and 54and5

Apr 1, 2018

5^2=25 and 4^2=16" so "sqrt21" is between "4 and 552=25and42=16 so 21 is between 4and5