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Home / Doubts and Solutions/CBSE/Class 5/Mathematics

what is the importance of pi in the equation for circumference of a circle?

Asked by Rekha.Khare 23rd March 2015, 6:20 PM
Answered by Expert
Answer:

F o r space a n y space c i r c l e comma space fraction numerator c i r c u m f e r e n c e space o f space t h e space c i r c l e over denominator d i a m e t e r space o f space t h e space c i r c l e end fraction space i s space a l w a y s space a space c o n s tan t. A n d space w e space a r e space d e f i n i n g space t h a t space c o n s tan t space a s space straight pi That space is comma space straight C over straight d equals straight pi comma space where space straight C space is space the space circumference space of space the space circle space and space straight d space is space the space diameter space of space the space circle.F o r space a n y space c i r c l e comma space fraction numerator c i r c u m f e r e n c e space o f space t h e space c i r c l e over denominator d i a m e t e r space o f space t h e space c i r c l e end fraction space i s space a l w a y s space a space c o n s tan t. A n d space w e space a r e space d e f i n i n g space t h a t space c o n s tan t space a s space straight pi That space is comma space straight C over straight d equals straight pi comma space where space straight C space is space the space circumference space of space the space circle space and space straight d space is space the space diameter space of space the space circle.

Answered by Expert 23rd March 2015, 6:31 PM
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