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.

The Mathematical Gazette is the original journal of the Mathematical Association and it is now over a century old. Its readership is a mixture of school teachers, college and university lecturers, ...

Aranan Tarih Aralığı: 2025-8-22 / 2025-08-23 Aranan Kelime: identifying rigid transformations the two triangles created by the diagonal of the parallelogram are congruent recall that the opposite ...