Across
- 3. Curved inwards.
- 5. Curved outwards.
- 6. the amount of turn between two lines around their common point.
- 7. A flat shape with 4 straight sides where opposite sides are parallel.
- 8. A line segment on the boundary joining one vertex (corner point) to another.
Down
- 1. A flat shape with 4 straight sides.
- 2. triangle A triangle with all sides of different lengths.
- 4. The same shape and size, but we are allowed to flip, slide or turn
- 5. a 2-dimensional shape made by drawing a curve that is always the same distance from a center.