### Home > CALC > Chapter 11 > Lesson 11.2.4 > Problem 11-84

11-84.

Find the area that lies outside *r* = 2 + 2cos(3*θ*) and inside *r* = 4. Homework Help ✎

*r* = 4 is a circle with a radius of 4.

Subtract the area inside of *r* = 2 + 2cos(3*θ*) from the area of the circle.

The area inside of one "petal" is: