Across
- 3. Lines which meet at any point and angle.
- 5. A four sided shape with equal sides.
- 8. A mirror image
- 10. A four sided shape with one pair of parallel lines.
- 11. Two lines which meet at a 90 degree angle.
Down
- 1. A 3D object used in some sports.
- 2. A line going north to south.
- 4. A triangle with two sides which are equal in length.
- 6. A triangle with three different side lengths.
- 7. When all sides are different lengths.
- 9. The point at which two edges meet.