Geometry

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Across
  1. 4. half of the diameter
  2. 7. a four sided figure
  3. 9. quadrilateral whose four sides can be grouped into two pairs of equal-length sides that are adjacent to each other.
  4. 10. a shape with 4 angles 90 degrees each and 4 equal sides
  5. 12. middle number
  6. 13. a transformation used to change the size of an object
  7. 14. a closed round shape with no angles
Down
  1. 1. two lines that will never intersect
  2. 2. a line going through the center of a circle reaching both ends
  3. 3. an angle measuring to 90 degrees
  4. 5. any angle measuring to more than 90 degrees
  5. 6. a shape with three sides and all 3 angles adding up to 180 degrees
  6. 8. divide into two
  7. 11. any angle measuring to below 90 degrees
  8. 15. a line that has a starting point but no end point