Across
- 7. the angle directly across from a given angle.
- 9. a sector of a circle with an angle of 90°.
- 10. an algebraic fraction is a fraction whose numerator and denominator are algebraic expressions
- 11. a numerical or constant quantity placed before and multiplying the variable in an algebraic expression
- 12. the space between to interesting lines that is usually measured in angles.
Down
- 1. the side opposite from the right angle.
- 2. the unknown angle
- 3. a sign or measure of something
- 4. a straight line joining two points on the circumference
- 5. a region bounded by two radii and an arc
- 6. a quantity that needs to be calculated or found
- 8. a region bounded by a chord and an arc
- 10. any part of the circumference