Each of the interior angles of a regular polygon is 150o. How many sides does the polygon have?
10
11
12
14
The sum of angles of a polygon is 2700o. How many sides does it have?
15
17
19
20
What is the sum of exterior angles of an octagon?
360o
480o
600o
720o
The sum of angles of an n sided polygon is
180o
(n - 1) × 180o
(n - 2) 180o
Calculate the size of each exterior angle in the regular octagon.
40o
45o
60o
75o
How many sides does a dodecagon have?
22
How many sides does an octagon have?
6
8
9
What is the size of one interior angle of a regular twenty sided polygon?
153o
162o
171o
200o
What is the fourth interior angle of the quadrilateral?
134o
129o
124o
114o
Which is the third interior angle of the triangle?
82o
94o
56o
