Question

The area of a square is 25 cm.sq what is the perimeter

Answer 1

Answer:

A=a2

P=4a

Solving forP

P=4rootA=4root25=20

Answer 2

Answer:

area of square with side a is a^2

a^2=25

a=5

perimeter of square with side a is 4a i.e 4×5=20cm