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Kelly Yuen probe 10:09A & 10:09B March 17, 2011 G8-2PV Investigation 10:09A: The Angle Sum Of a Polygon The investigation is to bring out out the answer. 1. Quadrilateral Pentagon Hexagon Heptagon Octagon Nonagon 2. Decagon Dodecagon 3. Number of Sides in Polygon| 3| 4| 5| 6| 7| 8| 9| 10| 11| Number of Triangle| 1| 2| 3| 4| 5| 6| 7| 8| 9| 4. The relationship is that between the numbers of sides it is 2 less(prenominal) than number of triangles.

5. It would be n-2 6. It would be (n-2) times by 180 7. It would be [(n-2) times by 180]divided by 2 Investigation 10:09B - The outdoor angle sum of a convex polygon 1. A hexagon has 6 upcountry angles and out-of-door angles. Because I drew it and found out. 2. 1 2 3 4 5 6 send-off count all side and it 6 and the hexagon have 4 triangles. A triangles is 180°. 6°x180° =1080° The sum of all the interior and exterior angles in the hexagon is 1080° 3. A triangle is 180° and a hexagon has 4 triangles. You time it by 180° by 4 which equal 720°. 720° is all the interior angles of a hexagon. 180°x4° =720° 4. I minus the sum of all the interior and exterior angles in the hexagon to all the interior angles in a hexagon. It equal to 360°. 360° is the exterior angles in a hexagon 1080°-720° =360° 5. 1. A pentagon has 5 interior angles and 5 exterior angles. Because I drew it and I found out. 2. A pentagon has 5 angles and a triangle is equal to 180°. I times it and equals to 900° and... If you want to get a full essay, dress it on our website: Orderessay

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