I have no sides and no corners, yet I am completely symmetrical and my perimeter has a very famous irrational ratio named after me. What am I?
A circle
A circle is symmetrical with no vertices or straight sides, and its perimeter (circumference) relies on Pi (π), an irrational number.
About this riddle
Math riddles hide a calculation inside a short story. Pull out the numbers, work out what is being asked, and watch for a trick such as a unit change.
Difficulty: Easy. More like this: Math riddles with answers or try Target 24 for a different kind of puzzle.
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