Across
- 3. A closed shape that has three sides and three angles.
- 4. Angles that have the same vertex and one side in common.
- 8. Numbers less than zero.
- 10. Numbers greater than zero.
- 12. A triangle with sides of unequal lengths.
- 13. A 180° angle or a flat line.
- 14. Any angle greater than 90° and less than 180°
- 15. An angle that measures 90°
- 16. A mathematical constant value equal or approximately equal to 3.14
- 17. Two angles that are formed by two straight lines that cross.
Down
- 1. A triangle that has three equal sides and three equal angles.
- 2. A four sided shape with four 90° angles.
- 5. Any angle greater than 0° and less than 90°
- 6. Fractions having different numerators and denominators but have equal value.
- 7. A fraction with a numerator larger than the denominator.
- 9. A triangle that has two equal sides and two equal angles.
- 11. A triangle that includes one 90° angle.