1.) Given the figure at the right, what is the relationship between the interior <T and exterior <S?

A. Interior <T and exterior <S are complementary.
B. Interior <T and exterior <S are vertical.
C. Interior <T and exterior <S are supplementary.
D. Interior <T and exterior <S are congruent.

2.) Given a polygon having the sum of linear pairs on vertices which is 900° and the sum of the interior angles is 540°, then what is the sum of its exterior angles?
A. 180°
B. 360⁰
C. 540⁰
D. 90°

3.) If a polygon is divided into 9 triangles, then what is the sum of the measures of the interior angles of the polygon?
A. 1 620°
B. 1 260⁰
C. 360°
D. 1 980°

4.) A stop sign is in the shape of regular octagon. What is the measure of each of the interior angles of the stop sign?
A. 1080
B. 144°
C. 180°
D. 135⁰

5.) Find the measure of one exterior angle of a regular polygon whose sum of the interior angles is 2 340°
A. 130
B. 32°
C. 24°
D. 25°​​