Rule: A triangle is determined if one knows the lengths of two sides and the angle between them (SAS)

Example: Interactivity: Triangle with Side-Angle-Side    Directions

In the interactivity, click and drag the sliders for c and b and \alpha
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 SAS  

In the interactivity space below, construct a triangle with sides c and b , and angle \alpha between them (SAS)

If needed: Directions

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Page last modified on January 28, 2009, at 08:20 AM