The activity in this section will illustrate arc length.

A bag of M&Ms contains 25 M&Ms in 5 colors, shown below.

6 red, 4 yellow, 5 blue, 6 green, 4 brown M&M's

The M&Ms are arranged by color just inside of the circumference of circle P.

The radii are between the different colored M&Ms creating sectors in the circle. An example of sectors is when a pie is cut into pieces.

Fill in the blanks. Click on the blanks to reveal the answers.

The arc is a curved line that is part of the circumference of the circle. The arc length is the measure or length of the arc.