Find the perimeter and area of this shape, which is a semicircle on top of a rectangle.
The graph shows a shape with a rectangle at the bottom and a semicircle on top of it. The diameter of the semicircle overlaps the top base of the rectangle. For the rectangle, its base is 16 cm, and its height is 10 cm.
Its perimeter is and its area is .
(Use cm for centimeters and cm^2 for square centimeters.)

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