Example 2

作者：Walch Education

主題：角度

Determine whether

with vertices

,

, and

is an isosceles triangle. If it is isosceles, name a pair of congruent angles.

Use the distance formula to calculate the length of each side.
Determine if the triangle is isosceles.
Identify congruent angles.

This applet is provided by Walch Education as supplemental material for their mathematics programs. Visit www.walch.com for more information.

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