MATH

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Across
  1. 2. – Half of diameter
  2. 5. – Line where two faces meet
  3. 7. – Solid with two identical faces
  4. 8. – Vertical distance
  5. 9. – Measure of a surface
  6. 10. – Corner of a shape
  7. 13. – Round base or face
  8. 15. – Inclined side of a cone
  9. 17. – 3-sided base
  10. 18. – Top point of a pyramid
Down
  1. 1. – Capacity of a solid
  2. 3. – Outer layer
  3. 4. –Boundary around a shape
  4. 6. – Across a circle
  5. 11. – Flat surface
  6. 12. – 4-sided base
  7. 14. – Side surface
  8. 16. – Bottom of a solid