Across
- 1. 10-sided polygon
- 2. 2-dimensional, closed shape formed by three straight lines
- 4. Angle greater than 90 degrees but less than 180 degrees
- 6. 7-sided polygon
- 8. Triangle that has two sides of equal length
- 10. Angle inside a shape
- 12. Angle greater than 0 degrees but less than 90 degrees
- 13. Quadrilateral with both pairs of opposite side parallel to each other
- 14. Lines that intersect at right angles (90 degrees)
Down
- 1. Units used to measure the size of an angle
- 2. quadrilateral in which one pair of opposite sides is parallel
- 3. 20-sided polygon
- 5. Triangle that has no equal sides
- 7. 2-dimensional, closed shape formed by four straight lines
- 9. Triangle with all sides equal in length
- 11. Lines running in exactly the same direction and therefore never meeting