Geometry

1234567
Across
  1. 3. a straight line across the middle of a circle
  2. 6. two lines going in the same direction
  3. 7. an angle less than 90 degrees
Down
  1. 1. a shape with 4 sides
  2. 2. two lines going in opposite directions
  3. 4. an angle greater than 90 degrees
  4. 5. from the center of a circle to the outside edge