Mallory Pike

2. a proof in which the statement to be proved is assumed to be false and a contradiction is shown
3. a quadrilateral with 4 right angles
7. a triangle with 3 congruent angles
9. a segment connecting 2 non consecutive vertices of a polygon
11. a triangle with one obtuse angle
15. the same distance from two or more objects
16. a quadrilateral with 4 congruent sides
19. the angle formed by the legs of an isosceles triangle
20. a triangle with no congruent sides

1. a triangle with one right angle
4. a polygon in which a diagonal can be drawn such that part of the diagonal contains points in the exterior of the polygon
5. a polygon that is both equilateral and equiangular
6. a quadrilateral with exactly two pair of congruent consecutive sides
8. a quadrilateral with 2 pairs of parallel sides
10. three or more lines that intersect at one point
12. a set of points that satisfies a given condition
13. a polygon in which a diagonal can be drawn such that part of the diagonal contains points in the exterior of the polygons
14. a quadrilateral with 4 congruent sides and 4 right angles
17. every vertex of polygon lies on the circle
18. a quadrilateral with exactly one pair of parallel sides