How do you find the square root 27?

Question

58552 views around the world

You can reuse this answer
Creative Commons License

Answer 1 · 2018-03-15T08:43:05

#=3sqrt3#

#27# is not a perfect square so it does it have an exact square root.

#sqrt27# is an irrational number, but it can be written in surd form:

#sqrt27 = sqrt(3xx3xx3#

#=3sqrt3#

Answer 2 · 2018-03-15T08:52:07

#sqrt27=3sqrt3#

First we factorize #27# and we will get #3^4#
#sqrt27=sqrt3^2 3#
#sqrt27=sqrt3^2sqrt3#
#sqrt27=cancel(sqrtcancel(3^2))sqrt3#
#sqrt27=3sqrt3#