geometry

2. Is a position in space
5. When a line intersects an other at 90
10. Two ray interceting
11. is a line that passes through two lines in the same plane at two distinct points.
13. angle Angle less then 90

1. 6.28318
2. lines Two lines with no point in common
3. segment 1. is the portion of a line lying strictly between two points. It has a finite length and no width.
4. Father of geometry
6. triangle A three sided shape with an angle of 90
7. The distance from center to circle
8. thermo a2 + b2 = c2.
9. thermo midline of a triangle creates a segment that is parallel to the base and half as long
12. -a e point where two sides of a polygon meet
14. straight line joining two points of a circle