To divide a sphere in 8 equal parts in three steps:
* Cut a plane through the most circular part of the sphere - this cuts the sphere in half
* Cut a plane perpendicular to the first plane with the lengths aligned - this cuts the sphere in four pieces
* Cut a plane perpendicular to the first plane at a right angle to the second plane - this cuts the sphere into eight pieces
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Starting at one point of the circle, draw a straight line through the center of the circle to the other side. This line is called a diameter. It will divide the circle into 2 equal pieces.Now, if you want to divide the circle into any number N of equal pieces, follow these steps in orderdivide the diameter into N equal segments,from one endpoint of the diameter, draw half circles towards every endpoint of the equal segments,flip the circle,from the other endpoint of the diameter, draw again half circles towards every endpoint of the equal segment (but now filling the other side of the circle).The resulting parts of the circle have equal area.
645 divide by 43 in steps no remainder = 15
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Divide out with remainder. say you have 19/8, divide 19 by 8 = 2 rem. 3 = 2 3/8