The Cosine Rule WORKSHEET
The Cosine Rule WORKSHEET DESCRIPTION
This worksheet provides some purposeful practice for finding the missing angles and lengths of triangles using the cosine rule.
Section A has three questions where a missing side is required when given the other two sides and the included angle.
Section B requires learners to calculate an angle given all three sides.
Section C has a mixed set of questions, and section D requires missing values from compound shapes.
All worksheets are created by the team of experienced teachers at Cazoom Maths.
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Frequently Asked Questions
This worksheet targets grades 6-7, which means you'll need a solid understanding of trigonometry concepts. Since it's designed for Higher tier GCSE students, you should be comfortable with more complex mathematical reasoning and problem-solving before attempting these questions.