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Area of Triangle


This lesson can be used for revision for the higher Maths GCSE. The examples are quick and concise with exam style questions, go to GCSE Maths if you need more in-depth explanations.

How to find the area of triangle using \(\frac{1}{2}ab\sin C\)
When to use \(\frac{1}{2}ab\sin C\) to find the area of a triangle?
- You don't know the perpendicular height
- You are given two sides and the angle between the two sides
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