Geometry

3. A central angle measuring more than 180 degrees.
5. Relation with respect to comparative quantity or magnitude.
6. To be at an angle.
7. The distance around a circle.
11. a straight line passing from side to side through the center of a body or figure, especially a circle or sphere.
13. The line segment connecting the midpoints of two sides of a triangle.
16. The intersection point of two sides of a plane figure.
17. The line segment between two points on a given curve.
19. Two figures or objects that have the same shape and size.

1. Where three or more lines intersect in one place.
2. Extending or lying across.
4. A circle which passes through all the vertices of the polygon.
8. Points lying in the same straight line.
9. Divide into two parts.
10. Side by side and having the same distance continuously between them.
12. A line that touches a curve but does not intersect.
14. Written on or in a surface.
15. A central angle measuring less than 180 degrees.
18. Ratio of the adjacent side to the hypotenuse of a right-angled triangle.