Key learning points

1. The length of the lines do not change when reflected.
2. The angles inside an object do not change when reflected.
3. When an object is reflected, its image is congruent.

Keywords

• Reflection - A reflection of a shape is the mirror image of the shape. An object is reflected when it is flipped over a fixed line.

• Sense - The sense of an object is the direction of the orientation of the object.

Common misconception