Review Crossword

5. a polygon with three edges and three vertices
6. a polygon with four edges (or sides) and four vertices or corners
9. the point the point where the medians of a triangle intersect
10. a rectangle in which two adjacent sides have equal length
11. the portion of a circle bounded by two radii and the included arc
13. a plane figure with five straight sides and five angles.
16. a triangle that has two sides of equal length
17. a line segment that joins the center of a circle with any point on its circumference
20. the set of points which are an equal distance to a fixed point
21. a line that is tangent to a circle exists on the same plane as the circle and intersects the circle at exactly one point
22. a circle which passes through all the vertices of the polygon
28. the angle inside two adjacent sides of a polygon
29. a straight line that "just touches" the circle
30. nine-sided polygon
31. the distance around circle

1. a straight line segment whose endpoints both lie on the circle
2. twelve-sided polygon
3. a triangle in which all three sides are equal
4. the shape of traffic stop signs(in US)
7. a line segment from the center to the midpoint of the chord
8. two lines which meet at a right angle
12. a triangle that it has its vertices on a circle
14. a six-sided polygon
15. any straight line segment that passes through the center of the circle and whose endpoints lie on the circle
18. a line that intersects a curve
19. an angle has its vertex where two rays share an endpoint outside a circle
23. a polygon that is equiangular (all angles are equal in measure) and equilateral (all sides have the same length)
24. a seven-sided polygon
25. A shape that has all sides of equal length and each internal angle will always be equal to 144°
26. divide (a line, angle, shape, etc.) into two equal parts.
27. the point where the internal angle bisectors of the triangle cross