EXTERIOR ANGLES The angles whose arms do not include the line segment PQ are called exterior angles.

Interior angles the angles whose arms include line segment PQ are called interior angles.

Exterior of an angle

Alternate exterior angles a pair of angles in which one arm of each of the angles is on opposite side of the transversal and whose other arms are directed in opposite direction and do not include segment PQ is called a alternate exterior angles.

State exterior angle theorem

ALTERNATE EXTERIOR ANGLES A pair of angles in which one arm of each of the angles is on opposite sides of the transversal and whose other arms are directed in opposite direction and do not include segment PQ is called a pair of alternate exterior angles.

In a regular polygon, are all the exterior angles equal ?

EXTERIOR ANGLE If the side BC of a triangle

The sum of all exterior angles of a triangle is

Name the points: in the exterior of angle POQ

Exterior the part of the plane which is outside the arms of an angle produced indefinitely is called the exterior of the angle.