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Drawing a circle

publish date: 2024/03/28 23:53:44.850429 UTC

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The easiest way to draw an ellipse is to put two tacks in a piece of paper and put a loose loop of a string around them, as shown in the figure below.

tacks_draw_ellipse.gif

What would the positions of the tacks have to be to draw a circle?

Both at opposite sides vertically
Both at opposite sides horizontally
Both at the same point

Correct Answer

Both at the same point

Explanation

Both at the same point.  A circle is just a special form of an ellipse in this case

Reference

Basic Physics: A Self-Teaching Guide

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