1. 
How many sets of parallel line segments are there in a regular octagon? > 1

2. 
How many sets of parallel line segments are there in a regular pentagon? > 2.5

3. 
What is the sum of all the interior angles in a dodecagon (12 sides)? > 1800°

4. 
What is the measure of one interior angle in a regular heptagon (7 sides)? > 1260°

5. 
Which of the following is a summary of Euclid's parallel postulate? > If two lines are parallel and crossed by a transversal, their corresponding angles will be congruent

6. 
What is the minimum number of right angles possible in a quadrilateral? > 2

7. 
Which of the following shapes cannot have any parallel lines? > Decagon

8. 
Which of the following shapes must have at least one set of parallel lines? > Trapezoid

9. 
Which of the following shapes must have at least one set of perpendicular segments? > Right triangle

10. 
Which of the following shapes must have at least one set of perpendicular segments? > Regular quadrilateral
