Across
- 4. 100, 70, 40, 10, . . . is an example of ________ arithmetic progressions.
- 5. The _________ is the line drawn from the eye of an observer to the point in the object viewed by the observer
- 6. The letter 'd' in AP stands for
- 8. The height or length of an object or the distance between two distant objects can be determined with the help of ?
- 10. The Largest chord in a circle
Down
- 1. a region bounded by a chord and a corresponding arc lying between the chord's endpoints.
- 2. The AP 101,101,101,101,101..... has the common difference (in letters).
- 3. The formula b²-4ac is called
- 7. ax2+ bx + c = 0, a is not equal to 0 is called the______ form of a quadratic equation.
- 9. the portion of a circle enclosed by two radii and an arc.