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Posted by on Saturday, June 2, 2012 at 9:40pm.

A scale model of the new dog park has an area of 128 cm2. The actual dog park will have an area of 8 km2. Find the scale that has been used for the model.

  • algebra - , Saturday, June 2, 2012 at 9:45pm

    8km^2*scale^2=128cm^2
    8*k(10cm)^2*scale^2=128cm^2
    scale^2= 128/*8000*100)=1/6250

    scale= 1/79 appx

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