Example 3

A circle has a radius of [math]6[/math] units. Find the area of a sector with an arc length of [math]9[/math] units.
[list=1][br][*]Use the radian measure formula to find the measure of the central angle.[br][*]Substitute radius and radian measure into the formula for the area of a sector and simplify.[br][/list][br][br]This applet is provided by Walch Education as supplemental material for their mathematics programs. Visit [url=http://www.walch.com]www.walch.com[/url] for more information.

Information: Example 3