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If pi=3.1416, then 6×3.1416=18.8416
you said 4 pi times 6 to the second power.thats 452.38934236
The formula for working out the circumference is 2pi x radius, aka pi diameter. The radius is 6 so times this by 2 and then pi. The answer would be: (6 x 2) x pi = 12 x pi = 37.69911184. Pay attention in maths lessons next time! ;) Hope this helps.
The circumference of a circle with a 6-inch diameter is 18.85 inches. (C = d x Pi).
288 pi cm cube root = 4/3(that's a fraction)*times* pi *times* radius cube root288 *divided by* 4/3 = 216.00000000000000000000000000001cube square root 216.00000000000000000000000000001 and you should get a simple 6