A patch in the shape of the region shown above is to be sewn onto a flag.

A patch in the shape of the region shown above is to be sewn onto a flag. If each unit in the coordinate system represents one foot, how much material is required for the patch?

a. 15.525 ft²

c. 10.525 ft²

b. 15.125 ft²

d. 10.125 ft²