CBSE · Class 6-12

Back to Areas Related to Circles

Class 10 · Mathematics (Standard) · Unit 11: Areas Related to Circles

Annular Ring

Lesson 6 of 6

The area between two concentric circles of radii

R

(outer) and

r

(inner) is

\pi(R^2 - r^2)

. This is useful for path around a circular garden, washer shapes, etc.

Combined Figures

Try the practice skills

All lessons in this unit