Question

FORMULA USED TO FIND THE CIRCUMFERENCE OF A CIRCLE IS______UNITS​

Answer 1

Step-by-step explanation:

To calculate the circumference of a circle, multiply the diameter of the circle with π (pi). The circumference can also be calculated by multiplying 2×radius with pi (π=3.14).

Area of semi-circle: πr2/2

Area of circle: πr2

Circumference of Circle: 2πr

Perimeter of semi-circle: πr

Answer 2

2×π×r ...................