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Worksheet on the Cosine Rule for finding missing sides and angles in triangles, designed for GCSE Higher level students.

Worksheet titled "The Cosine Rule" with three sections (A, B, C) containing triangles for solving missing lengths and angles using the cosine rule. Each section has three problems with given side lengths and angles, requiring calculation of unknown sides or angles. The worksheet is from Cazoom Maths Resources and is labeled for GCSE Tier: Higher.

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Show Answer Key & Explanations Step-by-step solution for: The Cosine Rule Worksheet | Cazoom Maths Worksheets

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- Section A
1) a = 5.23 cm
2) a = 12.7 cm
3) a = 5.48 cm

- Section B
1) x = 75.5°
2) x = 46.9°
3) x = 50.0°

- Section C
1) x = 8.20 cm
2) x = 37.6°
3) x = 9.13 cm

Parent Tip: Review the logic above to help your child master the concept of law of cosines worksheet with answers.

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