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9-71.

A right slanted, Parallelogram, bottom side labeled, 15 inches, attached on its right side is a sector, whose bottom side, labeled 12 inches, is an extension, of the bottom side of the parallelogram, with angle labeled  60 degrees.A sector is attached to the side of a parallelogram, as shown in the diagram at right. Calculate the area and perimeter of the figure.

Remember that the straight sides of a sector are equal to each other and also the radius of the circle.

You can find the height of parallelogram by using  triangle side identities.