Across
- 4. the relationship in quantity, amount, or size between two or more things
- 5. abbreviation is sin
- 7. the study of relationships between the sides and angles of a triangle.
- 10. adjacent side divided by the hypotenuse:
- 11. share the common vertex and side.
- 12. a polygon with three sides having three vertices
- 13. derived from the Latin word “angulus”
Down
- 1. non-adjacent angles formed by two intersecting lines
- 2. the side opposite the right angle of a right-angled triangle
- 3. The theorem named after the Greek mathematician
- 6. (in a right-angled triangle) the ratio of the side (other than the hypotenuse) adjacent to a particular acute angle to the side opposite the angle.
- 8. sec x = 1 / cos x.
- 9. trigonometric ratios of the angle.