Between what two consecutive integers does #sqrt21# lie?

2 Answers
Apr 1, 2018

Answer:

#sqrt21 # lies between #4 and 5#

Explanation:

We know that,

#color(red)(sqrt16 )< sqrt21 < color(red)( sqrt25)#

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

Hence #sqrt21 # lies between #4 and 5#

Apr 1, 2018

#5^2=25 and 4^2=16" so "sqrt21" is between "4 and 5#