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Area of a Triangle — Edexcel GCSE Maths 1MA1
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Mathematics
Edexcel GCSE Mathematics
Geometry and Measures
Mensuration and Calculation
Area of a Triangle
Edexcel GCSE Mathematics · 1MA1
Area of a Triangle
What you need to know
Apply the formula Area
=
1
2
a
b
sin
C
= \frac{1}{2}ab \sin C
=
2
1
to calculate the area, sides, or angles of any triangle.
Revision notes
1
Area of a Triangle
4 key terms
Practise with past papers
Key terms & definitions
Previous subtopic
Sine and Cosine Rules
Next topic: Vector Geometry
Vector Translations
ab
sin
C
