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This lesson covers geometric constructions using a compass and straightedge, loci, congruence and similarity for AQA GCSE Mathematics. Construction questions require precise drawing with the correct equipment, while congruence and similarity questions test your understanding of when shapes are identical or proportional. These topics appear across both Foundation and Higher tiers.
For construction questions, you need:
Exam Tip: You MUST show all construction arcs clearly. Do not rub them out. The examiner needs to see them to award the method marks. If you only show the final answer with no arcs, you will score 0 even if the answer is correct.
To construct a triangle with sides 6 cm, 5 cm, and 4 cm:
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