Here's the question you clicked on:
hamishawesome
if a square had an area of 400m squared then what would its perimeter be
area will be equal to side^2 implies s^2=400 "s=20" now perimeter is given as 4*s=(s+s+s+s) implies perimeter=80
@hamishawesome What do you think? Do you understand how to do a problem like this now?