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.

## AP®︎/College Calculus BC

### Unit 9: Lesson 7

Finding the area of a polar region or the area bounded by a single polar curve

# Area bounded by polar curves intro

AP.CALC: CHA‑5 (EU), CHA‑5.D (LO), CHA‑5.D.1 (EK), CHA‑5.D.2 (EK)

## Problem

Let R be the region enclosed by the polar curve r, left parenthesis, theta, right parenthesis, equals, 2, minus, 2, cosine, left parenthesis, theta, right parenthesis where start fraction, 2, pi, divided by, 3, end fraction, is less than or equal to, theta, is less than or equal to, pi.
Which integral represents the area of R?