If two supplementary angles have equal measure, what is the measure of each angles?

What is the measure of each interior angle?

What is the measure of each exterior angle?

Two supplementary angles differ by 20^@ What is the measure of smaller angle?

anglePQR and angleABC are supplementary angles. If m angle PQR=2mangleABC , then what is the measure of angleABC ?

The three angles of a triangle are equal to one another. What is the measure of each of the angles?

Two supplementary angles are in the ratio 2:3. Find the smallest angle.The difference in the measures of two supplementary angles is 80 , find the measures of the angles

Two angles of a quadrilateral are of measure 65^0 and the other two angles are equal. What is the measure of each of these two angles?