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23 Jul 2022, 13:15
Kudos
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D
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
15%
(low)
Question Stats:
88% (01:42) correct
12%
(01:38)
wrong
based on 25
sessions
History
Date
Time
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Not Attempted Yet
A regular polygon is defined as a polygon with all sides congruent and all angles congruent. In a regular polygon with n sides, the measure of one interior angle is equal to 168°. What is the value of n?
A. 12
B. 18
C. 24
D. 30
E. 36
A. 12
B. 18
C. 24
D. 30
E. 36
23 Jul 2022, 13:27
Kudos
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\(\frac{(n-2)*180}{n}\) = 168
180n - 360= 168n
12n = 360
n = 30
Option D
180n - 360= 168n
12n = 360
n = 30
Option D
23 Jul 2022, 14:54
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Bunuel
The supplementary angle is 12°. We need enough of those to add up to 360.
360/12 = 30
Answer choice D.
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