Across
- 2. a line that touches a curve at only one point
- 3. a particular aspect of life or activity
- 4. a shape with a circular base
- 6. a quadrilateral whose opposite sides are parallel and equal
- 8. in or near an area
- 11. where three altitudes intersect
- 13. where three medians intersect
- 14. where three angle bisectors intersect
- 18. angle contains a obtuse interior angle
- 19. triangle a triangle with no two sides of equal length
Down
- 1. joins the midpoints of two sides
- 2. extending or lying across
- 5. a line enclosing a plane area
- 7. the quality of being alike
- 9. a round three-dimensional closed surface
- 10. written on or in a surface
- 12. angle the opposite of left <
- 15. a three sided shape
- 16. an angle
- 17. meet me in the middle