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Gre4nikov [31]
3 years ago
7

A polygon has an interior angle sum of 3060° how many sides must the polygon have?

Mathematics
2 answers:
Veronika [31]3 years ago
7 0
3060÷180 +2

using the formula (n-2) × 180 = sums of interior angles
AVprozaik [17]3 years ago
5 0
Sum of interior angles=(n-2)180
3060=(n-2)180
3060/180=n-2
17=n-2
n=17+2
n=19..
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