Across
- 2. Angles opposite each other when lines intersect that are congruent.
- 4. Triangle with two congruent sides.
- 5. Angles that have a sum of 90.
- 6. Quadrilateral that has 4 sides of equal length and opposite sides parallel.
- 8. Quadrilateral that has 1 pair of parallel sides.
- 9. Angles that have a sum of 180.
- 12. Quadrilateral with 4 sides of equal length and 4 right angles.
- 14. Angles that share a vertex and side.
- 15. Distance from the center to the edge of the circle.
- 17. Triangle that has all acute angles.
Down
- 1. Distance from edge to edge of a circle through the center.
- 3. Middle of a circle
- 7. Triangle that has one obtuse angle.
- 10. Quadrilateral that has opposite sides that are parallel and equal in length.
- 11. Quadrilateral with 4 right angles and opposite sides parallel and equal in length.
- 13. Triangle that has one right angle.
- 16. Triangle with no congruent sides.