Across
- 2. The region enclosed by two radii and arc of a circle
- 4. The term b^2-4ac that determines the nature of roots in a quadric equation
- 6. The average value calculated by dividing the sum of observations by the total number of observation
- 7. An algebraic expression consisting of variables and coefficients , like a quadric polynomial
- 8. The measure of the likelihood that an event will occur , ranging from 0 to 1
Down
- 1. The perpendicular distance from center of a regular polygon to any of it's side
- 3. the branch of mathematics studying the relationships between angles and sides of triangles
- 5. A straight line that touches a circle at exactly one single point