What similar shapes mean
What similar shapes mean
Similar shapes have the same shape but can be different sizes. Their corresponding angles are equal, and every corresponding length is changed by the same scale factor.
Step-by-step lessons on Edexcel GCSE Maths Similar Shapes (Lengths). Each one builds up to exam-style questions. Build fluency with number, ratio and algebra first, since geometry, probability and statistics topics rely on them, and leave extra time nearer the exam for Higher-tier problem-solving and multi-step reasoning questions.