Similar figures and scale factors
General Mathematics · Unit 1 — Money, measurement, algebra and linear equations · Similarity and scale
Learning objectives (4)
LO-1Determine a scale factor and use it to solve scaling problems, e.g. calculating lengths and areas of similar figures; and calculating surface areas, volumes and capacit ies of similar solids.LO-2Determine measurements from scale drawings (e.g. maps and building plans) to solve problems.LO-3Understand the conditions for similarity of two-dimensional figures, including similar triangles.LO-4Use the scale factor for two similar figures to solve linear scaling problems.
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