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What are some vocabulary words that relate to pi-day?
Pi
What words follow pi?
Rho
Is circumference radius times pi?
NO!!!! C = 2 pi r C = pi d In words ; Circumference equals two times 'pi' times radius or , circumference equals 'pi' times diameter. NB The diameter is twice the radius. Also A = pi r^(2) In words, Area equals 'pi' times the radius squared. Read learn and comit to memory these two circle equations.
In math what is the definition for Pi?
3.1415........... (in more simpler terms, it is a ratio). Pi represents the ration between a circles circumference to its diameter. So in other words, pi=(c/d), making pi a constant [3.1415....]. Isn't math just wonderful!!
What do you have to divide by to get Pi?
Pi is an "irrational" number, which means that there are no integers that form a ratio exactly equal to pi. In other words, you cannot divide any whole number by any other whole number to get pi. 22/7 isn't too far off, and 355/113 is fairly close, but they're not exactly pi.
