CCGPS AG 1.9.2 Example 2

Determine whether with vertices , , and is an isosceles triangle. If it is isosceles, name a pair of congruent angles.

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

– Walch Education, GeoGebra Materials Team