# geometry

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1. An exterior angle of a regular polygon measures 30 degrees. What is the measure of an interior angle?
30
60
120
150
2. How many degrees are in each interior angle of a regular pentagon?
50
72
108
120
3. If all of the diagonals are drawn from a vertex of a hexagon, how many triangles are formed?
2
3
4
5
4. Find the number of sides of a regular polygon if one interior angle is 120 degrees.
3
4
5
6
5. If all of the diagonals are drawn from a vertex of an octagon, how many triangles are formed?
5
6
7
8
6. Find the number of sides of a regular polygon if one interior angle is 60 degrees.
3
4
5
6
7. If all of the diagonals are drawn from a vertex of a quadrilateral, how many triangles are formed?
1
2
3
4
8. If all of the diagonals are drawn from a vertex of an n-gon, how many triangles are formed?
n - 2
n - 1
n
n + 1
9. What is the measure of one exterior angle of a regular hexagon?
60
72

• geometry -

Did you just expect somebody to give you all those answers?
Tell me what you get for each of them and I will correct them for you.

• geometry -

for question 3. i got 4