A field is surrounded b a racetrack. It is getting sodded with new grass. The racetrack has a rectangular center and a semicircle. The length of the rectangle measures is 100feet and the width measures 40 feet. How much grade is needed to cover the inside of then track?

-232

step-by-step explanation:

answer: a

step-by-step explanation: the answer is a due to the rule of symmetry; that a line of symmetry must divide a figure into 2 pieces that are the exact same, only reflected over a line of symmetry. b and c do not have lines of symmetry and would not divide the figure evenly, thus making the answer a.