More Lessons for A Level Maths

Math Worksheets

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.

Worked solution to the above Core 2 question on finding the area of a triangle given two sides and an included angle in radians.

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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