One exterior angle of a regular polygon is 72o. Calculate the size of each interior angle of that regular polygon.
108o
180o
270o
155o
One exterior angle of a regular polygon is 20o. How many sides does it have?
15
16
18
20
What is the size of one interior angle of a regular polygon with 9 sides.
40o
126o
140o
231.4o
The sum of angles of a polygon is 2700o. How many sides does it have?
17
19
How many sides does an octagon have?
6
8
9
12
From figure which one is true?
a = x + z
a = x - z
a = y + z
a = x + y
Which is the third interior angle of the triangle?
60o
82o
94o
56o
What is the size of one interior angle of a regular twenty sided polygon?
153o
162o
171o
200o
Which is the size of one exterior angle of a regular decagon (ten - sided polygon)?
18o
24o
30o
36o
Calculate the size of each exterior angle in the regular octagon.
45o
75o
