A dedicated sports car enthusiast polishes the inside and outside surfaces of a hubcap that is a thin section of a sphere. When she looks into one side of the hubcap, she sees an image of her face 44.0 cm in back of the hubcap. She then flips the hubcap over and sees another image of her face 10.0 cm in back of the hubcap.
a. How far is her face from the hubcap? (answer in cm)
b. What is the radius of curvature of the hubcap? (answer in cm)