The sum of angles of a polygon is 2160o. Then number of sides of a polygon is
11
12
13
14
What is the fourth interior angle of the quadrilateral?
134o
129o
124o
114o
What is the sum of exterior angles of an octagon?
360o
480o
600o
720o
One exterior angle of a regular polygon is 20o. How many sides does it have?
15
16
18
20
From figure which one is true?
a = x + z
a = x - z
a = y + z
a = x + y
The sum of angles of a polygon is 2700o. How many sides does it have?
17
19
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
One exterior angle of a regular polygon is 72o. Calculate the size of each interior angle of that regular polygon.
108o
180o
270o
155o
What is the size of one interior angle of a regular polygon with 9 sides.
40o
126o
140o
231.4o
A 10 sided polygon has all its angles equal. How much is each angle?
80
110
144
120
