math

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Across
  1. 3. a closed plane figure bounded by 3 or more line segments
  2. 5. has beads that slide on rods. It can be used to count, add, subtract, multiply and more.
  3. 8. the inverse of ‘sine’ in trigonometry
  4. 9. a triangle in which each angle measures 600
  5. 10. a ______ triangle has 2 sides equal in length
  6. 12. in trigonometry, this term means perpendicular/hypotenuse
  7. 13. a polygon having 9 sides
  8. 14. half of the longest chord in a circle
Down
  1. 1. the number discovered by aryabhatta
  2. 2. a rectangle having adjacent sides equal
  3. 4. the point of intersection of the altitudes of a triangle
  4. 6. two figures are said to be _____ if they have the same shape and not necessarily the same size
  5. 7. the ____ theorem states that ‘in a right angled triangle, the square on the hypotenuse is equal to the sum of the squares on the other two sides
  6. 11. the point of intersection of the medians of a triangle