How Many Sides?
An hexagon has this many sides...
What does "n" represent in the interior and exterior angle formulas?
The number of sides of a polygon
What is the sum of the interior angles of a 12 sided shape?
1,800
If there are two angles on a straight line and one of them is 25 degrees, what MUST the other angle equal?
155 degrees
Two or more angles on a straight line make what relationship?
Supplementary or 180
A pentagon has this many sides...
5
What is the formula for "the sum of interior angles"?
(n-2)x180
What is the sum of the exterior angles of a 67 sided shape?
360
Find the missing interior angle.
26 degrees
180 degrees
A nonagon has this many sides...
9
360
What is the measure of one interior angle of a regular pentagon?
108 degrees
72 degrees
Im thinking of a regular quadrilateral. What do we call this shape?
A Square
A decagon has this many sides...
10
What is the formula if you are looking for one exterior angle?
360/n
I'm thinking of a regular polygon whose exterior angles each measure 3.6 degrees. How many sides does this polygon have?
100 sides
x=4
How do you know if a polygon is regular or not?
All the angles of the polygon (interior and exterior) are the same measure.
A dodecagon has this many sides...
12
What is the formula if you are looking for one interior angle?
(n-2)x180/n
One interior angle of this shape is 156 degrees. How many sides does this shape have?
15 sides
Use the following picture to find x.
x = 67
What is the measure of one exterior angle of a polygon with 360 sides?
1 degree