Explain why [math]\bigtriangleup{ABC}\sim\bigtriangleup{DEF}[/math], and then find the length of [math]\overline{DF}[/math].
[list=1] [*]Show that the triangles are similar. [*]Find the length of [math]\overline{DF}[/math]. [/list] This applet is provided by Walch Education as supplemental material for the [i]CCGPS Analytic Geometry[/i] program. Visit [url="http://www.walch.com"]www.walch.com[/url] for more information on our resources.