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Compute the volume of the solid shown at right.  

A prism, whose base is a sector (pie shaped piece of a circle), labeled as follows: bottom side of sector, 2 feet, height of prism, 4 feet, central angle of sector, 45 degrees.

Think of the problem as trying to find  of the volume of the cylinder.

Find the area of the sector.

Multiply the area of the sector by the length of the solid.