Congruence and Similarity
Congruent figures; SSS, SAS, ASA and RHS rules; dilations (NEW v9); similarity statements; side and angle ratios; indirect measurement; scaling effects on perimeter, area and volume (NEW v9).
17 worksheetsRead the explainer →
- 1Congruent FiguresDecide whether two figures are congruent.adaptive
- 2Congruent Triangles: SSS, SAS and ASAIdentify the congruence rule used.adaptive
- 3Dilations: Graph the ImageIdentify the image of a point under a dilation (NEW v9).adaptive
- 4Dilations: Find the CoordinatesFind image coordinates under a dilation centred at the origin.adaptive
- 5Dilations: Scale Factor and ClassificationFind the scale factor and classify as enlargement or reduction.adaptive
- 6Identify Similar FiguresDecide whether two figures are similar.adaptive
- 7Ratios in Similar FiguresFind the ratio of corresponding sides in similar figures.adaptive
- 8Similarity StatementsWrite a similarity statement for two similar polygons.adaptive
- 9Determine if Two Figures are SimilarUse side ratios or AA test to determine similarity.adaptive
- 10Similar Figures: Side Lengths and AnglesFind missing side or angle in similar figures.adaptive
- 11Similar Triangles: Indirect MeasurementSolve indirect-measurement problems with similar triangles.adaptive
- 12Perimeters of Similar FiguresFind the ratio of perimeters of similar figures.adaptive
- 13Similarity Rules for TrianglesIdentify AA, SSS or SAS similarity rule.adaptive
- 14Areas of Similar FiguresUse the square of the scale factor for areas.adaptive
- 15Similar SolidsIdentify whether two solids are similar (NEW v9).adaptive
- 16Volume and Surface Area of Similar SolidsUse scale factor for volume (k³) and surface area (k²).adaptive
- 17Changes in Scale: Perimeter, Area and VolumeDetermine how scaling changes perimeter (k), area (k²), volume (k³) (NEW v9).adaptive
