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If the sum of the interior angles of a regular polygon measures up to
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09 Jun 2021, 07:15
09 Jun 2021, 07:15
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If the sum of the interior angles of a regular polygon measures up to 1440 degrees, how many sides does the polygon have?
A. 10 sides
B. 8 sides
C. 12 sides
D. 9 sides
E. None of these
A. 10 sides
B. 8 sides
C. 12 sides
D. 9 sides
E. None of these
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Joined: 10 Apr 2015
Posts: 6218
Given Kudos: 136
Re: If the sum of the interior angles of a regular polygon measures up to
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09 Jun 2021, 07:34
09 Jun 2021, 07:34
1
Carcass wrote:
If the sum of the interior angles of a regular polygon measures up to 1440 degrees, how many sides does the polygon have?
A. 10 sides
B. 8 sides
C. 12 sides
D. 9 sides
E. None of these
A. 10 sides
B. 8 sides
C. 12 sides
D. 9 sides
E. None of these
Nice rule: The sum of the interior angles in an N-sided polygon is equal to 180(N - 2) degrees
So, we can write: 180(N - 2) = 1440
Divide both sides by N-2 to get: N-2 = 8
Solve: N = 10
Answer: A
Cheers,
Brent
Re: If the sum of the interior angles of a regular polygon measures up to
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29 Oct 2024, 01:55
29 Oct 2024, 01:55
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