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Across

1. number of tangents that can be drawn to a circle

4. a arrengement of numbers or objects in a definite order

5. a line intersecting a circle only at one point

6. solid formed by cutting a small conical portion from right circular cone

7. the circular region enclosed by two radii and the corresponding arc

Down

2. an event having only one outcome

3. a line intersecting a circle in two points

4. the portion of circular region enclosed between a chord and the corresponding arc

8. length of two tangents drawn from an external points to a circle

9. maximum number of parallel tangent a circle can have

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