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the number is that you use for pi is 3.14 the number is that you use for pi is 3.14
Pi is the number you have to use to solve many circle equations. If you want to find the area of a circle, use radius squared times pi. For the circumference, use diameter times pi.
3.14159 but for school pupils 3.14 or even 22/7 will be sufficiently accurate.
The answer is 427.04 if we use 3.14 as pi.
(pi + pi + pi) = 3 pi = roughly 9.4248 (rounded) Well, if you use the common shortened version of pi which is 3.14 and add that 3 times, you get 9.42.