geometry vocabulary

2. Point where the X-axis and Y-axis meet in a coordinate grid
3. An angle which is measured less than 90 degrees
5. It is sometimes called rubber sheet geometry
6. A plane figure with four equal straight sides and four right angles
10. Is a line with a single endpoints that extends infinitely in one direction
12. A ____ is an angle of exactly 90 degrees or /2 radians corresponding to a quarter turn
13. A shape with three sides and three angles
14. An angle that is equal to 180 degrees
15. angles When the sum of two angles is equal to 90 degrees they are called
16. A part of a straight line that is bounded by two distinct end points
17. Lines that meet at a 90
20. The branch of mathematics concerned with specific functions of angles and their application

1. A concept first introduced by the mathematician Felix Hausdorff in 1918
4. A branch of mathematics concerned with properties of space such as the distance, shape, size and relative position of figures
7. A round plane figure whose boundary
8. An angle which is measured than 90 degrees ang less than 180 degrees
9. Is the science and study of quality structure, space and change
11. Also known as coordinate geometry or Cartesian geometry
17. Deals with flat shapes which can be drawn on a piece of paper
18. Is a point where two or more curves, lines or edges
19. A long narrow mark or band