How do you simplify #sqrt22.5#?

1 Answer
Mar 7, 2018

Answer:

I am not sure it is such a grat simplification but anyway...

Explanation:

I would multiply and divide by #10#:
#sqrt(10/10*22.5)=sqrt(225/10)=15/sqrt(10)#
let us then rationalize multiplying and dividing by #sqrt(10)#:
#15/sqrt(10)*sqrt(10)/sqrt(10)=(15sqrt(10))/10=3/2sqrt(10)#