Main content

### Course: वर्ग 10 (Foundation) > Unit 4

Lesson 2: Area of a circle# Circumference of a circle

You might need: Calculator

If you're seeing this message, it means we're having trouble loading external resources on our website.

If you're behind a web filter, please make sure that the domains *.kastatic.org and *.kasandbox.org are unblocked.

Main content

You might need: Calculator