Across
- 4. a quadrilateral with 4 equal sides and 4 right angles
- 5. an angle that is 180°
- 8. a quadrilateral with only 1 pair of parallel sides
- 9. an angle that is 90°
- 11. a tool used to measure and construct angles
- 13. half of a diameter of a circle
- 14. a tool that is used to construct circles
Down
- 1. an angle that is larger than 180° but smaller than 360°
- 2. a triangle that has 3 sides of different lengths
- 3. two straight lines that will not meet at any point
- 4. a 3D shape that does not have flat surface
- 6. a line that connects two opposite vertices
- 7. an angle that is larger than 90° but smaller than 180°
- 10. a triangle that has 2 equal sides and 2 equal angles
- 12. an angle that is larger than 0° but smaller than 90°