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Sine Rule – Missing Angle

Sine Rule – Missing Angle

How to use this applet:

  1. Click the "Generate Triangle" button to create a new triangle with two sides and one angle.
  2. Determine the missing angle using the Sine Rule.
  3. Toggle "Show solution" to check your answer and see step-by-step reasoning.
1
Click to generate a triangle with a missing angle
2
Apply the sine rule to solve for the missing angle
Angle = ?°