Geometry terms

12345678910
Across
  1. 2. the center of a geometric object
  2. 4. 1 pair of parallel sides, opposite sides are the same length
  3. 7. A round, solid, figure.
  4. 9. The distance across a circle through the center.
Down
  1. 1. 3-D solid, 2 II bases, circular cross-section
  2. 3. Parallelogram with opposite equal sides
  3. 5. A figure with 4 equal sides.
  4. 6. A straight line segment whose endpoint is on the arc of a circle
  5. 8. a solid shape: bound by plane faces
  6. 10. A curve joining two points