Cheatsheet · Grade 10 · 1 pages · PDF

Pythagoras’ TheoremCheatsheet

The whole topic on a page or two, for the night before.

A complete 20-page IGCSE guide to Pythagoras’ theorem. It starts with right-angled triangles and identifying the hypotenuse. It then teaches how to find the hypotenuse, how to find a shorter side, and how to use the converse to test whether a triangle is right-angled. It also covers Pythagorean triples and their multiples. Later sections apply the theorem to isosceles and equilateral triangles, rectangle diagonals, and 3D problems with cuboids and pyramids. Every method comes with a clear diagram and step-by-step worked examples. It ends with a summary, a keyword guide and exam tips.

Also in the Pythagoras’ Theorem pack

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• Main Notes · 21 pages

  Main Notes

  The full notes: one idea per page, a worked example beside every rule.

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• Cheatsheet · 1 page

  Cheatsheet

  The whole topic on a page or two, for the night before.

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  FreeAdd for free

• Worksheet · 29 pages

  Worksheet

  Practice questions in the order the notes teach them.

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• Solutions · 23 pages

  Solutions

  Every worksheet question worked in full.

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