How to construct (draw) one of the three altitudes of a triangle
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This page shows how to construct one of the three altitudes of a triangle, using only a compass and straightedge or ruler. A Euclidean construction.
How to construct (draw) one of the three altitudes of a triangle - Math Open Reference
How to construct (draw) one of the three altitudes of a triangle - Math Open Reference
How to construct (draw) one of the three altitudes of a triangle - Math Open Reference