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What is Cosine Rule Revision Worksheet about?

This document provides examples using the cosine rule to solve for unknown sides and angles of triangles and quadrilaterals. It introduces the cosine rule formulas and provides 4 example problems applying the rule, asking to calculate unknown side lengths or angle measures. The problems involve finding the length of side KN of a quadrilateral, the measure of angle QPR and length of side XR of a triangle, the measure of angle BCD of a quadrilateral, and the measure of angle LMN of a triangle.

Author

Hus

Language

EN