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Rule: A triangle is determined if one knows two angles and the length of the side between them.
Example: Interactivity: Triangle with ASA Directions for interactivity
In the interactivity, click and drag the sliders for \alpha , c and \beta .
Only "one" triangle exists with the given characteristics, that is, all "such" triangles are congruent.
Click and drag point A to move and point B to rotate (the triangles are congruent).
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Example: Interactivity: Construct a triangle with ASA In the interactivity space below, construct a triangle with angle \alpha , side c and angle \beta (ASA). If needed: Directions |
Related themes:
- Triangle
- Right Triangle?
- Congruency, Congruent Triangles
- Similarity, Similar Triangles
- Heron's Formula
- Polygon
 Up one level
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