What is the fourth interior angle of the quadrilateral?
134o
129o
124o
114o
What is the size of one interior angle of a regular twenty sided polygon?
153o
162o
171o
200o
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
The sum of angles of a polygon is 2700o. How many sides does it have?
15
17
19
20
How many sides does a dodecagon have?
12
10
22
What is the sum of exterior angles of an octagon?
360o
480o
600o
720o
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?
16
18
From figure which one is true?
a = x + z
a = x - z
a = y + z
a = x + y
