Find the area of the shaded region if the dimensions of the unshaded region are 12ft x 20ft . Use 3.14 for π as necessary. - - - no lengthy explanation needed! all I need is the answer! first answer gets brainliest!

Find the area of the shaded region if the dimensions of the unshaded region are 12ft x 20ft Use 314 for π as necessary no lengthy explanation needed all I need class=