Answers

2016-02-17T18:54:16+08:00
Radius, Diameter and Circumference. The Radius is the distance from the center outwards. The Diameter goes straight across the circle, through the center. The Circumference is the distance once around the circle.
0
2016-02-17T18:56:01+08:00
D=Circumference/pi
D=√4*Area/pi
0