7-1 angles of polygons

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14 Terms

1
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3

triangle

2
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4

quadrilateral

3
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5

pentagon

4
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6

hexagon

5
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7

heptagon

6
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8

octagon

7
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9

nonagon

8
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10

decagon

9
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11

hendecagon

10
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12

dodecagon

11
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interior sum

(n-2)180

12
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exterior sum

360

13
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interior one angle regular

(n-2)180/n

14
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exterior one angle regular

360/n