Question

How can a square root be found without a calculator?

Answer 1

like this:
sqrt(4)=2

Answer 2

I know trial and improvement could be implimented but that is pretty useless for something like root 2

Answer 3

Simplify it, such as sqrt(900), 300*3, 30*10, break down 30 to 15*2, 15 to 3*5, then your 10 to 5*2, then move like numbers to the outside of the radical.

Answer 4

I'll draw something, bahrom, i'll need your help on my geometric sequence problem.