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.

Triangles Class 10 Notes: In this article, you can find revision notes on Class 10 Maths Chapter 6, Triangles along with a PDF download link for the same. Students can use these revision notes to ...

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 ...