A triangle has 3 interior angles that add up to 180 degrees and 3 exterior angles that add up to 360 degrees
Remote interior angles
Exterior angle.
angle dcf and angle dfc
the exterior angle theorem
never
Remote interior angles are the angles that are not adjacent to a given exterior angle but are inside the triangle. For each exterior angle of a triangle, there are two remote interior angles. The sum of these remote interior angles is equal to the measure of the exterior angle. Thus, if you have a specific exterior angle, you can identify the two corresponding remote interior angles.
Remote interior angles
Remote interior angles.
Remote interior angles.
Are two angle of a triangle that are not adjacent to the exterior angle
Yes, it is.
Exterior angle.
No. The sum of the other two interior angles.
angle dcf and angle dfc
For a polygon with n sides (n angles), there are (n - 1) remote interior angles for each exterior angle.
the exterior angle theorem
Yes, because it is equal to the sum of the two of them.