Question

How do you find the square root of 1800?

Answer 1

You can write it as: `sqrt(1800)=30sqrt(2)`
(that can also be written as: `~~30*1.4=42`)

Explanation:

You can write:
`sqrt(1800)=sqrt(18*100)=sqrt(18)sqrt(100)=10sqrt(18)=`
also:
`=10sqrt(18)=10sqrt(9*2)=10sqrt(2)sqrt(9)=3*10sqrt(2)=30sqrt(2)`