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### Polygon slide

1. 1. MATHEMATICS FORM 1 POLYGONSITI NORHASMIRA BINTI NORDIN D20111048185
2. 2. POLYGON
3. 3. WHAT IS POLYGON???
4. 4. Bounded by three or more sides Line that Straight Polygon joins twoline sides non- meet at adjacent point vertices of called a Made of polygon is vertex straight lines, called a and the shape diagonal is “closed”
5. 5. Which of following are polygon? Why?POLYGON because have straight sides and enclosedNOT A POLYGON because not enclosed figureNOT A POLYGON because has a curve
6. 6. How many sides ??? 12 5 4 0
7. 7. Type of polygon
8. 8. I have 3 straight sides.I have 3 vertices.What shape am I? I’m a triangle!
9. 9. TRIANGLE Equilateral Isosceles Triangle Scalene Triangle TriangleThree equal sides Two equal sides No equal sides Three equal Two equal angles No equal anglesangles, always 60°
10. 10. I have 4 straight sides.I have 4 vertices. What shape am I? I’m a quadrilateral!
11. 11. QUADRILATERAL Quadrilateral just means "four sides" (quad means four, lateral means side). Any four-sided shape is a Quadrilateral. But the sides have to be straight, and it has to be 2-dimensional.