Across
- 3. An angle of 180 degree.
- 4. An angle less than 90 degree.
- 5. A triangle with two equal sides.
- 8. Any line segment whose endpoints lie on the circle.
- 9. A polygon with three sides.
Down
- 1. An angle of 90 degree.
- 2. A chord passing through centre of the circle.
- 3. Half part of a circle.
- 6. A triangle with three unequal sides.
- 7. Any one quadrilateral.