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17 votes
7. Which of the following is not an exterior

angle of a regular polygon?
a 24° b 21 c 18° d 15°​

1 Answer

5 votes

Answer:

b

Explanation:

360/24 = 15 (is integer)

360/21 = 17.14... (not integer, so it is not an exterior angle)

User TrevorGoodchild
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