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# Geometry

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### Geometry

1. 1. GeometryBy: Dylan Heyl
2. 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. 3. 2 DimensionalPentagon ShapesHexagonHeptagonOctagonNonagon
4. 4. 3 DimensionalShapesCubeSquare pyramidRectangular prismTriangular pyramidTriangular prismCylinderCone
5. 5. Getting Out Of TheBasics
6. 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. 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. 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. 9. How do you find thearea of this shape?
10. 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. 11. Almost Done!!!!!!!!!!!
12. 12. VolumeThe volume is found by doing length x base xheight.Example:Answer: (5)(4)(7)=140
13. 13. NetsNets are what you get when you unfold a 3dimensional shape
14. 14. THE END
15. 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