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Geometry

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Transcript

  • 1. GeometryBy: Dylan Heyl
  • 2. Geometry in HistoryEuclid, a famous mathematician was known as the “Father of Geometry” and wrote the famous bookElements about geometry.Leonardo Da Vinci drew the Vitruvian Man which showed the symmetry of a man as shown in thepicture below.The ancient Egyptians made pyramids for their king’s tombs or for other reasons.
  • 3. 2 DimensionalPentagon ShapesHexagonHeptagonOctagonNonagon
  • 4. 3 DimensionalShapesCubeSquare pyramidRectangular prismTriangular pyramidTriangular prismCylinderCone
  • 5. Getting Out Of TheBasics
  • 6. How To Find ThePerimeter of a ShapeThe way that you find the perimeter of a shape isyou measure each side and add them up.Perimeter is used to to find what is outside of ashape.Example: 4 in. Answer: 4+4+4+4=16in.
  • 7. How to Find theArea of a SquareThe area of a shape is found by multiplying lengthx widthArea is used to find what is inside a shapeExample: 6in.Length is the 6in. and width is the 4in. in the example 4in. Answer:(6)(4)=24
  • 8. How To Find TheArea Of A TriangleThe area is found by doing 1/2 base x heightExample: 4in. 4in. Answer: 1/2 (4)(4)= 8
  • 9. How do you find thearea of this shape?
  • 10. Cutting up shapesCut up the shape into many shapes like in the example.Find the area of each shape then add them up.
  • 11. Almost Done!!!!!!!!!!!
  • 12. VolumeThe volume is found by doing length x base xheight.Example:Answer: (5)(4)(7)=140
  • 13. NetsNets are what you get when you unfold a 3dimensional shape
  • 14. THE END
  • 15. SOURCES• http://mrsbangle.weebly.com/geometry-cp.html• https://sites.google.com/site/cstgeometry/home• http://www.mathsisfun.com/shape.html• http://ef004.k12.sd.us/ch12notes.htm• http://www.korthalsaltes.com/model.php?name_en=rectangular%20prism

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