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how to calculate magnification or actual size

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    do we measure the drawing to scale in mm/cm/ or what???

    im jus confused, and what eqation it is that we use?
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    ReputationRep:
    Measure the drawing in cm/mm, and convert that to whatever units the actual size of the thing is.

    Magnification = Size of image / Actual size
Updated: June 17, 2005
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