7th math

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If the actual figure is a rectangle that is 120 meters by 400 meters, what are the dimensions of a scale drawing in centimeters?

  • 7th math -

    You need to know the scale.
    Divide the dimensions by the scale to get the drawing dimension.

    For example, for a scale of 1:500,
    120 m /500 = 0.24 m = 24 cm
    400 m /500 = 0.80 m = 80 cm

    and so on.

    Familiarity with units conversion is a definite asset in these problems.

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