The Teaching Triangles program provides faculty with an opportunity to gain new insight into their teaching and students’ learning through a non-evaluative, formative process of reciprocal classroom ...

Each point on the original shape is the same distance from the line of reflection as the corresponding point on the image. Triangle B is a reflection of Triangle A.

Watch the video below from BBC Bitesize KS2 Maths which shows the lines of symmetry on a square, triangle, ... you would see the whole shape in the reflection. That’s why a line of symmetry is ...