Mathematics GCSE
Obtuse at C
What Obtuse at C means in Mathematics GCSE, as defined for AQA.
Definition of Obtuse at C
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Reference: AQA
A case where the calculator's acute answer is subtracted from 180°, because sin(180° - θ) = sin θ.
Topics that use Obtuse at C
- Mensuration and calculation (AQA GCSE)
Related terms
- Accurate substitution and rearrangement
- arc length
- Area = ½ab sin C
- Circumference
- composite shapes
- Corresponding vertices and sides
- Diameter
- Frustum
Using Obtuse at C in the exam
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