The area of square is ##A=a^2## where a the length of a side.Hence ##A=225=>a^2=225=>a=15## Hence the perimeter is ##4*a=4*15=60##
The area of square is ##A=a^2## where a the length of a side.Hence ##A=225=>a^2=225=>a=15## Hence the perimeter is ##4*a=4*15=60##