Geometry Words

4. A triangle with all sides equal and all angles equal
6. One part of a line
9. Two line segments which cross to from 90 degree angles
11. An arc less than 180 degrees
13. A triangle with one internal angle equal to 90 degrees
14. The vertex at the center of the circle
16. The intersection point of two sides of a plane figure
17. A straight line extending from the center of a circle or sphere to circumference or surface
18. Line intersects circle at 2 point
19. A continuous extent of length
20. Where a tangent intersect the circle

1. The line segment between two points on a given curve
2. A 90 degree angle
3. Line segments that cross each other
5. A straight line passing through the center of a circle or sphere and meeting the circumference or surface at each end
7. Circles with same radius
8. Half of a circle
10. Circle with common center
12. Line tangent to 2 circles
15. line intersects circle at 1 point