Geometry Crossword

4. one of the four regions into which the x and y axes divide the coordinate plane.
6. an algebraic expression of the sum or the difference of two terms.
11. a round plane figure whose boundary consists of points equidistant from a fixed point.
12. an eight-sided polygon.
13. a straight line segment whose endpoints both lie on the circle.
14. the longest side of a right-angled triangle.
16. an angle that is more than 90° and less than 180°.
18. mark the beginning or end of a line segment or ray.
19. a symmetrical open plane curve formed by the intersection of a cone with a plane parallel to its side.

1. a transformation that produces an image that is the same shape as the original, but is a different size.
2. an angle smaller than a right angle.
3. a counting number.
5. A chord is a line that joins any two points on a circle.
7. a triangle with (at least) two equal sides.
8. a relation in which every input is paired with exactly on output.
9. figure formed by two rays.
10. an arc that takes the minority of a circle.
14. a 6-sided polygon.
15. lines in a plane which do not meet.
17. an arc that takes majority of a circle.