CK12 - Geometry

(Marvins-Underground-K-12) #1

  1. Whatis the best possiblegeometricmodelfor a soccerfield?Explainyour answer.


(Source:http://commons.wikimedia.org/wiki/File:Coba-arena-ffm036.jpg,License:CCSA)



  1. Whattype of geometricobjectis the intersectionof a line and a plane?Drawyour answer.

  2. Whattype of geometricobjectis madeby the intersectionof threeplanes?Drawyour answer.

  3. Whattype of geometricobjectis madeby the intersectionof a sphere(a ball) and a plane?Drawyour
    answer.

  4. Use geometricnotationto explainthis picturein as muchdetailas possible.

  5. True or false:Any two distinctpointsare collinear. Justifyyour answer.

  6. True or false:Any threedistinctpointsdeterminea plane(or in otherwords,thereis exactlyone plane
    passingthroughany threepoints).Justifyyour answer.

  7. One of the statementsin 8 or 9 is false.Rewritethe falsestatementto makeit true.


Answers



  1. Answerswill vary, one possibleexample:

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