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Area of Triangle using Sine

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Videos, activities and worksheets that are suitable for A Level Maths to help students learn how to find the area of a triangle given two sides and the included angle using sine.

A-level Maths : Area of a triangle
In this tutorial you are shown how to work out the area of a triangle given two sides and the included angle. The examples given work in degrees and radians. This is often used when finding the area of a segment.
A-Level Maths Edexcel C2 January 2007 Q9(c) : ExamSolutions
Worked solution to the above Core 2 question on finding the area of a triangle given two sides and an included angle in radians.

A-level Edexcel C1 June 2008 Q10d : ExamSolutions
This is the worked solution to question 10d from the Edexcel C1 (Core maths) paper for June 2008. The question is on coordinate geometry, area of a triangle.


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