Quick Reference ~ A maths Dictionary for Kids by Jenny Eather Email jeather@iprimus.com.au A Maths Dictionary for Kids by Jenny Eather at www.amathsdictionaryforkids.com


Pp

pi

• the ratio of the circumference of a circle to its diameter,
which is approximately 3.14159.
• the true value of pi cannot be calculated
because it is an irrational number whose
decimal places continue forever
without repeating.

EXAMPLES:
pi


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