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