Across
- 6. A triangle with 3 equal sides
- 8. a triangle with two congruent sides
- 10. when two lines have the same slope
- 12. A 3d circle
- 14. the unknown number in an equation
- 15. A 3d square
Down
- 1. a triangle with a right angle
- 2. opposite sides are parallel and has 4 right angles
- 3. Angles add up to 360 has arcs and angles
- 4. Rise over run
- 5. when two lines meat they form these
- 7. Interior angles that add up to 180 and has 3 sides
- 9. All angles are right angles and it has 4 symmetrical sides
- 11. A 90 degree angle
- 13. when two lines have slopes that have the negative reciprocal