# Construction to Find the Third Angle of a Triangle When Given Two Angles

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Illustration of the construction used to find the third angle of a triangle when two of the angles are given.

### Keywords

construction, triangles, angles, constructions, third angle of triangle, given two angles of a triangle### Galleries

Geometric Constructions### Source

G.A. Wentworth *Plane And Solid Geometry* (Boston: Ginn & Company, 1899) 118

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