A dedicated sports car enthusiast polishes the inside and outsidesurfaces of a hubcap that is a section of a sphere. When he looksinto one side of the hubcap, he sees an image of his face 30.0 cmin back of the hubcap. He then turns the hubcap over, keeping itthe same distance from his face. He now sees an image of his face10.0 cm in back of it.
a) How far is his face from the hubcap?
b) What is the radius of curvature of the hubcap?