Pi Pop Quiz

What is pi?
Choose the right answer:
Option A The diameter:circumference ratio in a 圈, 圈子
Option B The circumference of a circle:perimeter of a square that fits it ratio
Option C The radius:circumference ratio in a 圈, 圈子
Option D The area of a circle:area of a square that fits it ratio
 BeastBoyCahill posted 一年多以前
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