How do you simplify sqrt22.5?

1 Answer
Mar 7, 2018

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)