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How is a diameter worked out?

Updated: 10/17/2024
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15y ago

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A circle has an infinite number if diameters, but they are all the same length. The length of the diameter of a circle is the length of the longest straight line that can be drawn completely inside the circle. If the center of the circle is marked, then it's easy to draw a line that is a diameter ... it's any line that passes through the center of the circle.

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Q: How is a diameter worked out?
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