The earth is only approximately spherical. Its radius ranges from 6353 to 6384 kilometres, with an average value of 6371 km. So the required fraction is
6,194/6,371,000 = 0.000972, approx
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The circumference is 2*pi*radius (not raduis) and this formula is applicable whether the radius is an integer, a fraction, or even an irrational number.
What name is given to the distance around circle
It means to multiply the radius by itself: radius x radius
When you try to figure out an area of a circle, you square the radius, then multiply it by pi to get the area of a circle. A radius square is radius x radius, or radius squared.
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