MathematicsCode 4029
Non-right-angled triangles
What this topic asks you to be able to do
- Apply the sine and cosine rules to find lengths and angles in triangles of any shape.
- Apply the formula area = ½ ab sinC to find the area of a triangle. Questions can involve the ambiguous case as well as obtuse angles. The List of formulas provides the sine rule, the cosine rule and this area formula.