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Veronika [31]
3 years ago
8

Find the sum of the angle of each polygon

Mathematics
1 answer:
olganol [36]3 years ago
5 0

Answer:

The sum of interior angles of n side convex polygon: (n-2)*180°

The sum of exterior angles of n side convex polygon: 360°

Step-by-step explanation:

The sum of interior angles of n side convex polygon: (n-2)*180°

The sum of exterior angles of n side convex polygon: 360°

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X = 21/4 - 7/4 = 14/4 = 7/2 = 3 and 1/2

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