Question

The diameter of a circle is the same length as the side of a square . The perimeter of the square is 16 cm . Find the diameter of the circle . Then find the circumference of the circle in terms pie?

Answer 1

perimeter of a square = 4*side
by substituting
16=4*side
dividing by 4
side=4
since diameter=side
then the circumference =d*pi
therefore=4*pi is the circumference