Apedia

Circumference Area Circle State Formulae R π 2rπ

The area of a circle is calculated using πr², and its circumference is calculated using 2πr.

The formula for the area of a circle is πr² and the circumference is 2πr.

Front State the formulae for the circumference and area of a circle.
Back
Circle formulae:
  • Area of a circle: r2π
  • Circumference of a circle: 2rπ

Learn with these flashcards. Click next, previous, or up to navigate to more flashcards for this subject.

Next card: Surface state formulae areas volumes spheres rectangular prisms

Previous card: Increases diffusion sa:v ratio increasing organism oxygen surface

Up to card list: A-Level Biology OCR A