4,461
edits
add circumference of a circle
add area of a circle |
add circumference of a circle |
||
| Line 1: | Line 1: | ||
= Area = | = Area and perimeters = | ||
== Circumference of a circle == | |||
<math>P = 2 \pi r</math> | |||
== Area of a circle == | == Area of a circle == | ||