Geometry

12345678910111213
Across
  1. 3. To measure an angle you need a ...
  2. 6. An angle that is greater than 90° but less than 180° is called an ... angle.
  3. 8. A football has a shape of a ...
  4. 9. Two lines that run in the same direction that never meet
  5. 11. A brick has a shape of a ....
  6. 12. A dice has a shape of a ...
  7. 13. Starts at a point (or position,) in space and goes on forever (infinity,) in the other direction
Down
  1. 1. Going side-to-side, like the horizon
  2. 2. Any 2-dimensional closed shape formed with straight lines
  3. 3. An exact location in space
  4. 4. A quarter turn (90°) is called a .... angle
  5. 5. Lines that cross each other at right angles (90 degrees)
  6. 7. A tin of beans has a shape of a ...
  7. 10. An angle that is less than 90° is called an