# Geometry

##### Across
1. 3. , Line connecting the vertex to the midpoint
2. 8. , Two angles whose sum is 180 degrees
3. 9. center of gravity or the balance point of a triangle
4. 12. of tangency , the point on intersection on a circle of a tangent line and the circle
5. 13. , all sides the same length
6. 14. , Part of a circle that equals 180 degrees
7. 18. , A line segment inside a circle whose endpoints are on the circle
8. 20. , Two angles whose sum is 90 degrees
9. 23. Opposite angles formed when two lines intersect
10. 24. , point that is equidistant from both ends of a line segment
11. 25. arc, Part of a circle that measures between 180 and 360 degrees
##### Down
1. 1. , Quadrilateral with opposite sides parallel
2. 2. Line, A line that intersects a circle in two place
3. 4. Two triangles with all three sides congruent
4. 5. , Cuts into 2 equal parts
5. 6. , lines that meet at right angles
6. 7. , An angle whose measure is 90 degrees
7. 10. , angles on the same side of a transversal and inside the parallel
8. 11. Arc, Part of a circle that measures less than 180 degrees
9. 15. A triangle with at least two congruent sides
10. 16. All sides the same length
11. 17. Angle , An angle whose vertex is at the center of a circle
12. 19. , A chord that goes through the center of a circle
13. 21. , Segment that connects the midpoints of 2 sides of a triangle
14. 22. Line, A Line that touches a circle at only 1 point
15. 23. , Cavalierii's principle states that two-dimensional objects with the same cross sectional area will have the same ____