Princessamira
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The angles sum of a polygon is 20x180
Work out he number of sides of the polygon
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RDKGames
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(Original post by Princessamira)
The angles sum of a polygon is 20x180
Work out he number of sides of the polygon
Do you know the general formula for the sum of interior angles of an n-sided polygon?
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Princessamira
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No

(Original post by RDKGames)
Do you know the general formula for the sum of interior angles of an n-sided polygon?
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RDKGames
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(Original post by Princessamira)
No
Learn it here and where it comes from:

https://www.youtube.com/watch?v=zKJkS_WkE4I

Then apply it to your question.
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