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## Geometry 5 th Grade

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**Geometry5th Grade**By: Raymond Hummon**Polygon**• What is a Polygon? • A Polygon is a closed plane figure bounded by three or more line segments.**N-Sided Polygons**• 3 Sides- Triangle • 4 Sides- Quadrilateral • 5 Sides- Pentagon • 6 Sides- Hexagon • 7 Sides- Heptagon • 8 Sides- Octagon • 9 Sides- Nonagon • 10 Sides- Decagon**Triangle**• Equilateral Triangle • Triangle with 3 equal sides • Isosceles Triangle • Triangle with 2 equal sides • Scalene Triangle • Triangle with 0 equal sides**Triangle cont.**• Right Triangle • A right triangle has one 90° angle • Obtuse Triangle • An Obtuse triangle has one angle measuring more than 90° • Acute Triangle • An acute triangle has all three angles measuring less than 90° a piece**Quadrilateral**• Quadrilaterals can be classified as well. • Different classifications include: • Square • Rectangle • Rhombus • Trapezoid • Kite • Parallelogram**QUIZ!**• Here is the Podcast for your Quiz on Polygons.**Interactive Websites**• http://www.kidskonnect.com/subject-index/17-math/291-geometry.html • http://www.kidsnewsroom.org/elmer/infocentral/geometry/index.html