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# Sum of interior angles

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How to find the sum of the interior angles of a polygon.

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### Sum of interior angles

1. 1. By; T.J. and Gareth (n-2)x180 Formula for finding the sum of interior angles
2. 2. Example <ul><li>First you take the number of sides from the shape and minus 2. There are 4 sides on a square so n=4. </li></ul><ul><li>(n-2) </li></ul>
3. 3. Y our Answer <ul><li>Then you multiply by 180 and that’s your answer! There are 360 degrees in the square. </li></ul><ul><li>(4-2) X 180 </li></ul>
4. 4. the END <ul><li>Thanks for watching </li></ul><ul><li>GOOD BYE! </li></ul>