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Help your students practise finding missing side lengths using trigonometry with this clear, scaffolded SOH-CAH-TOA worksheet. This resource supports students as they identify opposite, adjacent and hypotenuse sides, choose the correct trigonometric ratio, and calculate missing lengths in right-angled triangles. This worksheet is ideal for Year 9, middle school, high school, or introductory geometry/trigonometry classes. It includes side-labelling practice, ratio selection, worked examples, c