# The Plemelj Construction of a Triangle: 12

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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 at . This construction is an alternative to The Plemelj Construction of a Triangle: 5.

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Contributed by: Izidor Hafner (September 2017)

Open content licensed under CC BY-NC-SA

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## Details

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

## Permanent Citation