crossword

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Across
  1. 3. closed plane surface with any number of sides
  2. 4. 3 sided polygon
  3. 7. lines intersecting at right angles
  4. 10. parallelogram with all right angles
  5. 12. figure formed by joining 2 rays through end point
  6. 13. triangle with unequal sides
  7. 14. 10 sided polygon
Down
  1. 1. side opposite the right angle in right angled triangle
  2. 2. distance around circle
  3. 5. rectangle with all sides equal
  4. 6. letter used to represent number
  5. 8. 5 sided polygon
  6. 9. measure of space and capacity
  7. 11. space covered by an object
  8. 15. angle that measures less than 90