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9-45.

pic The shape at right is composed of a rectangle and a semi‑circle (half of a circle).  Homework Help ✎

  1. Find the perimeter.

    The perimeter of a semi-circle is half of the circumference of a circle.

    If the semi-circle were made into a complete circle, its circumference would be .

    meters

  2. Find the area.

    Find the area of the semi-circle and the area of the rectangle separately, then add them together to find the total area.