A circle has a diameter of [math]20[/math] feet. Find the length of an arc intercepted by a central angle measuring [math]36^\circ[/math].
[list=1] [*]Find the circumference of the circle. [*]Set up a proportion. [*]Multiply both sides by [math]20\pi[/math] to find the arc length. [/list] This applet is provided by Walch Education as supplemental material for the [i]UCSS Secondary Math II[/i] program. Visit [url="http://www.walch.com"]www.walch.com[/url] for more information on our resources.