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9-8.

Assume that two figures on a flat surface, and , are similar.  Homework Help ✎

  1. If the linear scale factor is , then what is the ratio of the areas of and ?

  2. If the ratio of the perimeters of and is , what is the ratio of the areas?

  3. If the area of is times that of , what is the ratio of the perimeters?

    The ratio of the perimeters is the square root of the ratio of the areas.