Problem solving with polygons

12 questions

1. Match each pair of angles with the keywords that describe the relationship between them.
2. A dodecagon has 12 sides. Find the sum of the interior angles in a dodecagon.
3. Exterior angles for any polygon sum to ___°.
4. Each exterior angle for a regular hexagon is ___°.
5. Each interior angle in a regular octagon is ___°.
6. The pentagon and hexagon in the diagram are both regular. The angle marked in the diagram is ___°.
7. Angles on the same side of the transversal line and in between the two other lines are called ___ angles.
8. Which algebraic statement correctly expresses y in terms of x?
9. Which algebraic statement correctly expresses y in terms of x?
10. In which diagram is y=180-x?
11. The size of the angle marked in the diagram is ___°.
12. The size of the angle marked in the diagram is ___°.

License: OGL