Discovering Geometry

3. split an angle or segment in half two make two congruent parts
6. a polygon with only inside diagonals
7. on the same plane
9. 3.14159...
11. an equilateral parallelogram
13. opposite over adjacent
16. a shape in which all the angles are of the same degree
17. two circles that share the same center
18. a quadrilateral with two sets of parallel lines
21. A line segment connecting a vertex of a triangle to the midpoint of the opposite side.
22. arc an arc that is more than 180degrees
23. opposite over hypotenuse

1. two pairs of consecutive congruent sides
2. line segment that connects two non-consecutive vertices
4. congruent parts of congruent triangles are congruent
5. sum of two angles that equal 180
6. SSS,AAS,SAS,ASA
8. a flat surface that extends infinitely along its edges
10. a line segment whose endpoints line on the circle
12. perpendicular segment from the center of the polygon's circumscribed circle to a side of the polygon
14. two angles that make a line
15. a 90degree angle
17. adjacent over hypotenuse
19. A perpendicular segment from a vertex to the base
20. region between two concentric circles