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