The regular dodecagon and the blue star inside it both have a side length of 1 unit. What is the area of the star? Show puzzle solution The regular dodecagon with side length 1 above is composed of a ...
A commuter is in the habit of arriving at his suburban station each evening exactly at 5 P.M. His wife always meets him there with the car and drives him home. One day he takes an earlier train and ...
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