Across
- 2. 147, 148, 149,.....,157 is a ___________ AP.
- 3. a, a+d, a+2d, a+3d,..... is the ______________ form of an AP.
- 6. The length of an arc of a _____________ of a circle with radius r and angle with degree measure θ is θ/180*πr.
- 7. It means the ratio of the sides of the triangle to be constructed with the corresponding sides of the given triangle.
- 8. The number of tangents that can be drawn between two distinct circles are.
- 9. _____________ formula is used to find distance between two points on a line segment.
Down
- 1. The probability of a ______________ event is one.
- 4. The angle of _____________ of an object viewed, is the angle formed by the line of sight when it is above the horizontal level.
- 5. A 3D figure whose latin meaning is 'piece cut off', and its plural is 'frusta'.