maths

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Across
  1. 3. measure of occupied space is called
  2. 7. sum up to 180 degrees
  3. 8. 4/3*pie*radius*radius
  4. 9. sum up to 360 degrees
  5. 10. the list o outcomes from an experiment
  6. 11. triangle with all sides equal
  7. 13. triangles with 3 different sides
  8. 14. l*b*h
  9. 15. side*side*side
Down
  1. 1. 2/3*pie*radius*radius
  2. 2. sum up to 90 degrees
  3. 4. a graph of quadratic relation
  4. 5. pie*radius*radius*height
  5. 6. shapes with four sides
  6. 12. triangle with two equal sides