10. Each interior angle of a regular polygon is 150°. How many sides does it have?
(c)
(Hint: Sum of the angles = {2 x 6 - 4) * 90° = 720°)
(b) 11
(c) 12
(d) 8
(a) 10
Answers
Answered by
1
Answer:
Since an interior angle is 150 degrees, its adjacent exterior angle is 30 degrees. Exterior angles of any polygon always add up to 360 degrees. With the polygon being regular, we can just divide 360 by 30 to get 12 sides.
Answered by
2
Answer:
8
Step-by-step explanation:
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