Mathematical Week

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Across
  1. 2. What 3D shape is round and has no edges
  2. 3. What flat shape has 4 sides and every side is equal to the other?
  3. 4. What 3D shapes are built in Egypt by ancient Egypt civilation?
  4. 5. What is the result of multiplication called?
  5. 7. What flat shape has 180° and has 3 sides?
  6. 8. What number is infinite, non periodic and is used to calculate circle area?
  7. 9. What is this called ,,3x-8yz*9x^2''?
Down
  1. 1. A branch of mathematics that deals with the measurement, properties, and relationships of points, lines, angles, surfaces, and solids.
  2. 2. What is this mathematical operation called ,,980-40''?
  3. 6. What does this ,,/'' or this ,,:'' symbol do?