How many sides does a dodecagon have?
12
10
20
22
A 10 sided polygon has all its angles equal. How much is each angle?
80
110
144
120
One exterior angle of a regular polygon is 20o. How many sides does it have?
15
16
18
What is the size of one interior angle of a regular polygon with 9 sides.
40o
126o
140o
231.4o
Calculate the size of each exterior angle in the regular octagon.
45o
60o
75o
Find the value of x.
80o
100o
The sum of angles of a polygon is 2160o .What is the sum of the angles of a polygon with one more side?
2340
2150
2420
2500
The sum of angles of an n sided polygon is
180o
(n - 1) × 180o
(n - 2) 180o
360o
From figure which one is true?
a = x + z
a = x - z
a = y + z
a = x + y
Each of the interior angles of a regular polygon is 150o. How many sides does the polygon have?
11
14