Geometry Crossword

2. A flat two-dimensional surface upon which two-dimensional objects can lie, or the face of a three-dimensional object as it creates a surface
3. a quadrilateral having both pairs of opposite sides parallel to each other
8. angle whose measure is greater than 90 degrees but less than 180 degrees
10. a straight line extending from the center of a circle or sphere to the circumference or surface
11. a straight line passing through the center of a circle or sphere and meeting the circumference or surface at each end
13. the line segment between two points on a given curve
14. Two lines that meet to make a corner
16. two lines that cross
18. a statement that describes a fundamental relationship between basic terms of geometry
19. angle whose measure is between 0 degrees and 90 degrees

1. to the measure of the hypotenuse
3. Two lines in a two-dimensional space that do not meet
4. comparison of two numbers by division
5. A closed four-sided figure with parallel opposite sides
6. Identical in size and shape
7. a parallelogram having four right angles
9. for an acute angle of a right triangle, the ratio of the measure of the leg adjacent to the acute
12. the part of a straight line considered as originating at a point on the line and as extending in one direction from that point
15. the intersection point of two sides of a plane figure
17. line in the plane of the circle that intersects the circle in one point