Similar solids and linear scale factor
Similar solids and linear scale factor
Similar 3D shapes have the same shape but different sizes. Corresponding lengths are measurements in the same position, such as radius with radius or height with height.
Step-by-step lessons on OCR GCSE Maths Similar Shapes (Area and Volume). 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.