# The Plemelj Construction of a Triangle: 9

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This Demonstration constructs a triangle given the length of the base , the length of the altitude from to and the difference of the angles at and . This construction unifies two constructions mentioned in The Plemelj Construction of a Triangle: 1.

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Contributed by: Izidor Hafner, Nada Razpet and Marko Razpet (September 2017)

Open content licensed under CC BY-NC-SA

## Snapshots

## Details

For the history of this problem and references, see The Plemelj Construction of a Triangle: 1.

This construction is similar to that in The Plemelj Construction of a Triangle: 7.

## Permanent Citation