Which is the size of one exterior angle of a regular decagon (ten - sided polygon)?
18o
24o
30o
36o
A 10 sided polygon has all its angles equal. How much is each angle?
80
110
144
120
What is the size of one interior angle of a regular twenty sided polygon?
153o
162o
171o
200o
What is the sum of exterior angles of an octagon?
360o
480o
600o
720o
Calculate the size of each exterior angle in the regular octagon.
40o
45o
60o
75o
From figure which one is true?
a = x + z
a = x - z
a = y + z
a = x + y
What is the fourth interior angle of the quadrilateral?
134o
129o
124o
114o
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 a polygon is 2700o. How many sides does it have?
15
17
19
20
How many sides does an octagon have?
6
8
9
12
