emilymnpoe
emilymnpoe
16-02-2017
Mathematics
contestada
Didn't understand concept in this problem
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Kerbal27
Kerbal27
16-02-2017
(n-2)180=sum of the interior angles.
Where n=number of angles of a regular polygon.
(n-2)180=2340
divide both sides by 180 and get
n-2=13
add 2 to both sides and get
n=15 Therefore, this polygon has 15 sides.
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Аноним
Аноним
16-02-2017
To find the sum of the interior angles of a polygon, use the formula (n-2) x 180. Plug in the numbers to get your sum. 11-2=9 x 180 =1620, so it's not A. 13-2=11 x 180= 1980, so it's not B. 15-2=13 x 180 = 2340. Your answer is C.15.
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