geometry
posted by Justin .
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 ngon, 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
Respond to this Question
Similar Questions

mathfast help please
Find the interior and exterior angle measurements of a polygon with this many sides: x=2y help? 
Geometry
In a regular polygon (equal sides and angles), you use (n2)180 to find out what the interior angle sum is (n=number of sides in polygon) and you divide by that number by whatever n is to find out the measure of an individual angle, … 
MATH
The exterior angle of a regular polygon is the angle formed by an extended side and the adjacent side. a)what is the measure of each interior angel of a regular pentagon. (There is apicture on the page and each side measures 21mm) … 
Geometry
A regular polygon has an exterior angel measure of (x+3) Degrees and an interior angle measure of (13x33) degrees Find the measure of each angle How mant sides does this polygon have? 
Geometry
1. How many sides does a regular polygon have if one exterior angle is 90 degrees? 
math
can someone please answer these questions for me? 
geometry
If the ratio of the interior angle to the exterior angle is 5:1 for a regular polygon, find a. the size of each exterior angle b. the number of sides of the polygon c. the sum of the interior angles d. Name the polygon 
7th Grade Math
What is the measure of an exterior angle of a regular polygon in which the sum of interior angle measures is 5400 degrees? 
geometry
Find the measure of each interior angle of a regular polygon whose central angle measures 60 degrees. 
geometry
Find the measure of each exterior angle of a regular polygon whose central angle measures 120 degrees.