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43 votes
43 votes
The sum of the measures of the interior angles in a convex polygon is 1.260. How many sides does the polygon have?

A 5
B7
c9
OD. 14

User Jimoc
by
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1 Answer

17 votes
17 votes

Answer:

c. 9.

Explanation:

Sum of interior angles = 180(n - 2), so

180(n - 2) = 1260

180n - 360 = 1260

180n =1260 + 360 = 1620

n = 1620/ 180

= 9 sides.

User DoctorDep
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2.5k points