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How to construct a line perpendicular to a given line,
and dividing it into two equal parts?
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| 1. |
| Start with two points defining the given line.
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| 2. |
| Draw an arc with its center in the point on the right, passing through the point on the left, and therefore with a radius equal to line 1.
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| 3. |
| Repeat this for the points exchanged. Both arcs must intersect twice.
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| 4. |
| Draw the connecting line between both intersections of arcs 2 and 3.
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| 5. |
| This line is the perpendicular bisector of line 1. It is perpendicular to line 1 and divides it into two equal parts.
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