Prove two triangles are congruent by showing they satisfy one of four criteria. Find missing lengths by using the scale factor. The relationship between similar shapes may be expressed as a ratio.

A complete, fully worked question pack on Similar Shapes and Enlargement for OCR GCSE (9-1) Mathematics Higher tier (J560), covering spec points 9.04a, 9.04b and 9.04c: similar triangles and proving ...

Similar shapes worksheet for GCSE and iGCSE maths: scale factors, missing lengths, similar triangles and area and volume scale factors. With solutions. A complete similar shapes worksheet for Pearson ...

These reflected rectangles are example of congruent shapes. When transforming a shape, either through translation, reflection or rotation, a congruent shape is produced. Enlargements create shapes ...