A goldfish lives in a 50-cm-diameter spherical fish bowl.
Chapter 34, Problem 34.70(choose chapter or problem)
A goldfish lives in a 50-cm-diameter spherical fish bowl. The fish sees a cat watching it. If the cats face is 20 cm from the edge of the bowl, how far from the edge does the fish see it as being? (You can ignore the thin glass wall of the bowl.)
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