a real object is placed at the zero end of a meterstick
A real object is placed at the zero end of a meter stick. A large concave mirror at the 100.0 cm end of the meterstick forms an image of the object at the 91.2 cm position. A small convex mirror placed at the 20.0 cm position forms a ?nal image at the 1.800 cm point. What is the radius of curvature of the convex mirror? Answer in units of cm.