Across
- 1. A mathematical statement that has been proven true.
- 5. angle A 90° angle.
- 7. A number multiplied by itself.
- 9. A value that is not given in a problem but must be found.
- 10. The side next to the reference angle in a triangle.
- 12. The longest side of a right triangle.
Down
- 2. A mathematical sentence containing an equals sign.
- 3. The side across from the reference angle.
- 4. A line segment forming part of a shape.
- 6. A shape with three sides.
- 8. The inverse operation of squaring
- 11. A branch of mathematics dealing with shapes and space.
- 13. Numbers like (3,4,5) that satisfy Pythagoras' rule.