## GoldPhenoix 4 years ago I need help about the circle, (EX: Radius, Diameter, Circumference.

1. Akshay_Budhkar

|dw:1327798222830:dw| is radius|dw:1327798244687:dw| is diameter|dw:1327798261711:dw| is circumference with formula$C = 2 \pi r$

2. mathmate

and area = $$\pi r^2$$