Geometry Crossword

6. parallelogram with consecutive sides congruent
7. a closed plane figure which has no sides that do not cross each other. It is bounded by straight sides.
9. the figure formed by 3 segments joining 3 noncollinear points. Each of the 3 points is a vertex of the triangle and the segments are the sides.
10. Having two or more sides of equal length.
12. a line segment, other than a side, that joins 2 vertices of a polygon.
15. An angle that measures between 0 and 90 degrees.
16. two points that are lying on the same straight line. Means "together on a line."
19. this is made by the intersection of two rays which have the same endpoint.

1. the length of a line segment between the center and circumference of a circle of sphere.
2. connects 2 points via the shortest path and continues indefinitely (forever) in both directions.
3. two lines that are in the same plane and never intersect.
4. 2 figures that have corresponding angles and sides with the same measure, they have the same size and shape. They also coincide when superimposed.
5. when 2 angles add up to 90 degrees (a right angle)
8. set of points that has infinite length and width but no height. It can be determined by 3 points.
11. unit of angle measure. Example ninety degrees is a right angle
13. consists of 2 points and continuous part of a circle between them.
14. the common endpoint of 2 rays in an angle of 2 line segments in a polygon, or of 3 or more edges in a space figure.
17. An angle whose measure is greater than 90 degrees but less than 180 degrees
18. an exact location, or position on a plane surface. Usually represented by a dot.