1. Discovering Geometry Chapter 5 Test Review HGHS

2. Discovering Geometry Chapter 5 Test Review HGHS
Complete each statement.
The number of triangles formed in an octagon when all the diagonals from one vertex are drawn is ________________.
2. The sum of the measures of the n interior angles of an n-gon is _____________.
3. The sum of the measures of the exterior angles of a 30-gon is _______________.
4. The measure of one angle in a regular decagon is ________________.
5. If the measure of one exterior angle of a regular polygon is 30°, then the polygon has ________________ sides.
Discovering Geometry Chapter 5 Test Review HGHS

3. Discovering Geometry Chapter 5 Test Review HGHS
How many triangles are formed by drawing diagonals from one vertex in the polygon?
What is the sum of the measures of the angles in the polygon?
(n-2) = number of triangles, where n = number of sides
(10 - 2) = 8
180(n-2) = sum of the measures of the interior angles.
180(10-2) = 1440
(n-2) = number of triangles, where n = number of sides
(12 - 2) = 10
180(n-2) = sum of the measures of the interior angles.
180(12-2) = 1800
Discovering Geometry Chapter 5 Test Review HGHS

4. Discovering Geometry Chapter 5 Test Review HGHS

5. Discovering Geometry Chapter 5 Test Review HGHS

6. Discovering Geometry Chapter 5 Test Review HGHS

7. Discovering Geometry Chapter 5 Test Review HGHS

8. Discovering Geometry Chapter 5 Test Review HGHS

9. Discovering Geometry Chapter 5 Test Review HGHS

10. Discovering Geometry Chapter 5 Test Review HGHS

11. Discovering Geometry Chapter 5 Test Review HGHS

12. Discovering Geometry Chapter 5 Test Review HGHS

13. Discovering Geometry Chapter 5 Test Review HGHS