Arc length and sector area

I will show you how to find the area of a sector and the length of an arc when the angle is in both degrees and radians

Angle in degrees

Angle in radians

 

Area of a segment

In these videos I show you how to find the area of a segment when the angle is given in degrees or radians. I assume that you are familiar with finding the area of a triangle given two sides and the included angle.

Angle in degrees

Angle in radians