Triangle Exterior Angle
The remote interior angles and exterior angle of a triangle are shown.
Moving the vertices of the triangle will change the measures of the angles.
Using the measurements, what can you conclude about the measure of an exterior angle of a triangle with respect to its 2 remote interior angles?
Is your conclusion always true?
An exterior angle of a triangle is shown.
The pink angle and green angle are referred to as remote interior angles with respect to this exterior angle.
Use slider to illustrate the relationship between the the remote interior angles and the exterior angle.