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# Geometry Vocabulary and Formulas

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• 1. Geometry Vocabulary & FormulasK. Wilhite ED TECH 541 2/24/2013
• 2. Additional InformationWatch for Moby throughout thepresentation. When you click onhim, you can view a video with moreinformation. 2/24/2013
• 3. Parallel LinesTwo straight lines that lie in the same plane thatwill never crossPhoto used under Creative Commons from Ko: 2/24/2013
• 4. Perpendicular LinesTwo straight lines that cross each other at a 90oanglePhoto used under Creative Commons from all brown 2/24/2013
• 5. TransformationsThe different ways objects can bemoved on a coordinate planeFor more practice problems, click here 2/24/2013
• 6. Transformations 2/24/2013
• 7. ReflectionA mirror image of an objectPhoto used under Creative Commons from Jheat 2/24/2013
• 8. RotationThe turning of an object around a given pointPhoto used under Creative Commons from Juliana S. 2/24/2013
• 9. TranslationThe movement of an object from spot toanotherImage created by K. Wilhite 2/24/2013
• 10. Acute TriangleA triangle that is made up of three angles thatmeasure less then 90oPhoto used under Creative Commons from 2/24/2013
• 11. Obtuse TriangleA triangle that is made up of an angle thatmeasures greater then 90o but less then 180oPhoto taken by K. Wilhite 2/24/2013
• 12. Right TriangleA triangle that is made up of one 90o anglePhoto used under Creative Commons from Parth Joshi 2/24/2013
• 13. Area of TrianglesFor a video lesson and practice problems, click hereImage created by K. Wilhite 2/24/2013
• 14. RectangleA quadrilateral that contains four 90o angleswith opposite sides parallelPhoto used under Creative Commons from Jheat 2/24/2013
• 15. Area of RectanglesImage created by K.. Wilhite 2/24/2013
• 16. CircleA round plane whose boundary (circumference)is made up of points that are the same distancefrom the center point (radius)Photo used under Creative Commons from Timothy 2/24/2013
• 17. Area of a CircleImage created by K. Wilhite 2/24/2013
• 18. TrapezoidA quadrilateral with exactly one set of parallellinesPhoto used under Creative Commons from ocherdraco 2/24/2013
• 19. Area of a TrapezoidImage created by K. Wilhite 2/24/2013
• 20. ParallelogramA quadrilateral with opposite sides parallelPhoto used under Creative Commons from Peter 2/24/2013
• 21. Area of a ParallelogramImage created by K. Wilhite 2/24/2013
• 22. CubeA 3D shape that consists of 6 faces made up ofcongruent squaresPhoto used under Creative Commons from ocherdraco 2/24/2013
• 23. Volume of a CubeImage created by K. Wilhite 2/24/2013
• 24. Rectangular PrismA 3D shape that consists of 6 faces made up ofrectanglesPhoto used under Creative Commons from Bad Alley 2/24/2013
• 25. Volume of a Rectangular PrismImage created by K. Wilhite 2/24/2013
• 26. CylinderA 3D shape that consists of circular base andstraight parallel sidesPhoto used under Creative Commons from brookewill 2/24/2013
• 27. Volume of a CylinderImage created by K. Wilhite 2/24/2013
• 28. SphereA 3D shape that consists whose boundary ismade up of points that are the same distancefrom the center point.Photo used under Creative Commons from mlaudisa 2/24/2013
• 29. Volume of a SphereImage created by K. Wilhite 2/24/2013
• 30. PyramidA 3D shape that consists of a square base andfour faces that are triangles 2/24/2013Photo used under Creative Commons from Neil B.
• 31. Volume of a PyramidImage created by K. Wilhite 2/24/2013
• 32. More math videos Area of polygons Geometry GeometryPerimeter and Area of RectanglesPerimeter and Area of TrianglesVolume and Surface AreaCircumference and Area of Circles 2/24/2013
• 33. ResourcesBBC Schools. (n.d.). Retrieved February 18, 2013, from BBC Schools:http://www.bbc.co.uk/schools/BrainPop. (n.d.). Retrieved February 18, 2013, from www.brainpop.com:www.brainpop.comKhan Academy. (n.d.). Retrieved February 18, 2013, from Khan Academy:https://www.khanacademy.org/M.D. Roblyer and Aarom H. Doering. (2013). Integrating EducationalTechnology into Teaching. Upper Saddle River: Pearson.squidoo. (n.d.). Retrieved February 21, 2013, from squidoo:http://www.squidoo.com/cc-flickrTeachnology Tutorials. (n.d.). Retrieved February 21, 2013, fromTeachnology: http://www.teach-nology.com/tutorials/powerpoint/ 2/24/2013