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# Polygons

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1. Polygons Ms. Brittany Uribe Geometry

2. What is a Polygon? • Closed figure • Connecting line segments • Each line segment meets at an endpoint

3. Which ones are polygons? B. A. C. D. E.

4. Regular Polygon • Sides are all of equal length • Angles are all equal

5. Triangle • Three-sided polygon • The sum of all the angles is 180° Obtuse Acute Equilateral Scalene Isosceles Right

6. Quadrilateral • Four-sided • The sum of all the angles is 360°

7. Rectangle • Four-sided • All angles are 90° • The sum of all the angles is 360°

8. Square • Four-sided • Equal-length sides • All right angles • The sum of all the angles is 360°

9. Parallelogram • Four-sided • Two pairs of parallel sides • The sum of all the angles is 360°

10. Rhombus • Four-sided • Equal-length sides • The sum of all the angles is 360°

11. Trapezoid • Four-sided • Exactly one pair of parallel sides • Bases • The sum of all the angles is 360°

12. Pentagon • Five-sided • The sum of all the angles is 540°

13. n-gon • n-gon is a polygon with n sides Hexagon Heptagon Decagon Octagon

14. The End