# The Plemelj Construction of a Triangle: 4

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This Demonstration constructs a triangle given the length of its base , the length of the altitude from to and the difference between the angles at and .

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Contributed by: Izidor Hafner (August 2017)

Open content licensed under CC BY-NC-SA

## Snapshots

## Details

For the history of this problem, references and a photograph of Plemelj's first solution, see The Plemelj Construction of a Triangle: 1.

Reference

[1] Euclid, *Elements*, Vol. 1, New York: Dover Publications, 1956 pp. 311–312.

## Permanent Citation