A farmer has a rectangular field that measures 40 meters by 30 meters. He wants to fence a circular garden inside the field with the largest possible diameter without touching or crossing the field's outer edges. What is the circumference of this garden in terms of pi?
30π meters
The maximum diameter of a circle that can fit inside a 40x30 rectangle is limited by the shorter side, which is 30 meters. The formula for circumference is C = pi * diameter. Therefore, C = 30π.
About this riddle
Logic riddles give you a few facts and ask what must be true. List what you know, cross out what cannot be, and see what is left.
Difficulty: Hard. More like this: Logic riddles with answers or try Einstein's Logic Grid for a different kind of puzzle.
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