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Forget the diameter.

Find the centre.

Draw any radius.

Next, add another radius at 360/9 = 40 degrees to the first.

Keep adding radii as you go around the circle. When it is in 9 equal slices you will have returned to the first radius.

Done.

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Q: How do you divide a 20 diameter circle into 9 equal segments?
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Related questions

How do you divide a circle in equal pieces?

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.


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What is the formula for the radius of a circle when you have the circumference?

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What the radius of a circle with diameter d 61 yd?

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