Geometry

3. , Line connecting the vertex to the midpoint
8. , Two angles whose sum is 180 degrees
9. center of gravity or the balance point of a triangle
12. of tangency , the point on intersection on a circle of a tangent line and the circle
13. , all sides the same length
14. , Part of a circle that equals 180 degrees
18. , A line segment inside a circle whose endpoints are on the circle
20. , Two angles whose sum is 90 degrees
23. Opposite angles formed when two lines intersect
24. , point that is equidistant from both ends of a line segment
25. arc, Part of a circle that measures between 180 and 360 degrees

1. , Quadrilateral with opposite sides parallel
2. Line, A line that intersects a circle in two place
4. Two triangles with all three sides congruent
5. , Cuts into 2 equal parts
6. , lines that meet at right angles
7. , An angle whose measure is 90 degrees
10. , angles on the same side of a transversal and inside the parallel
11. Arc, Part of a circle that measures less than 180 degrees
15. A triangle with at least two congruent sides
16. All sides the same length
17. Angle , An angle whose vertex is at the center of a circle
19. , A chord that goes through the center of a circle
21. , Segment that connects the midpoints of 2 sides of a triangle
22. Line, A Line that touches a circle at only 1 point
23. , Cavalierii's principle states that two-dimensional objects with the same cross sectional area will have the same ____