Geometry vocab

4. an object is turned clockwise or counterclockwise around a given point
5. polygon with three sides having three vertices
9. all three sides have the same length
11. a shape left to right and up or down
13. to cut or divide something into two equal parts
15. triangle that has two equal sides
17. closed figure made up of line segments in an two dimensional plane
19. to have the same shape and size
20. line that is perpendicular to the surface or another line that is considered as the base

1. closed two dimensional figure with eight sides,eight vertices and eight interior angles
2. lines that never intersect, and they form the same angle when they cross another line
3. straight line that makes the right angle with the other line
6. straight line that goes left to right or right to left
7. closed two dimensional polygon with six sides
8. manipulation of a geometric shape or formula that maps the shape or formula from its preimage or original position to its image
10. reflection imaginary line across which a shape is reflected to create a mirror image
12. a point that divides the line segment into two equal halves
14. four straight sides of equal length and four equal angles
16. measure of steepness
18. triangle in which all three sides are in different lengths, and all three angles are of different measures