### Home > PC3 > Chapter 11 > Lesson 11.1.2 > Problem 11-31

11-31.

Polar coordinates are of the form (radius, angle).

For example, point has a radius of

Also, point

*is at an angle of*

*, so its coordinates are*

11-31.

Polar coordinates are of the form (radius, angle).

For example, point has a radius of

Also, point