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- 1. Multiple Choice
What is the sum of the interior angles of a 15-gon?
2340
2700
1700
- 2. Multiple Choice
What is the measure of one interior angle in a regular dodecagon?
150
30
180
- 3. Multiple Choice
What is the measure of one exterior angle of a regular nonagon?
51.4
60
40
- 4. Multiple Choice
A _______ polygon has diagonals that fall outside the polygon.
convex
concave
- 5. Multiple Choice
The measure of an exterior angle of a regular polygon is 15°. Name the polygon.
24-gon
22-gon
pentadecagon
- 6. Multiple Choice
The measure of an interior angle of a regular polygon is 120°. What is the measure of an exterior angle?
120
60
180
- 7. Multiple Choice
Order the following regular polygons (largest to smallest) by the measure of one exterior angle:
triangle, quadrilateral, pentagon.
triangle, quadrilateral, pentagon
pentagon, quadrilateral, triangle
quadrilateral, triangle, pentagon
- 8. Multiple Choice
Determine the value of x.
103
463
83
- 9. Multiple Choice
Name the polygon shown.
decagon
star
pentagon
- 10. Multiple Choice
What is the sum of the interior angle measures of the polygon shown?
1080
1440
1800
- 11. Multiple Choice
Determine the value of h.
60
120
90
- 12. Multiple Choice
Determine the value of n.
113
123
133
- 13. Multiple Choice
The measure of an interior angle of a regular polygon is 120°. Name the polygon.
hexagon
decagon
pentadecagon
- 14. Multiple Choice
An interior angle of a polygon and the exterior angle at the same vertex are ______. Select ALL that apply.
a linear pair
supplementary
vertical
- 15. Multiple Choice
As more sides are added to a regular polygon, each interior angle gets _______, while each exterior angle gets __________.
smaller, larger
larger, smaller
larger, larger
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