Across
- 4. when the sum of two angles is equal to 90 degree
- 10. who's volume is l*b*h
- 13. the opposite sides are parallel and equal to each other and all four angles are right angles
- 15. a triangle in which all three sides have the same length
Down
- 1. a number that can be represented as the quotient p/q of two integers such that q ≠ 0
- 2. the point of intersection of all the three medians of triangle
- 3. a six-sided polygon
- 4. perimeter of a circle is called
- 5. the average of the given numbers
- 6. part of a line with one end point
- 7. When none of the sides of a triangle are equal
- 8. angle that is less than 90⁰
- 9. a line which intersects two or more lines at distinct points
- 11. lines that never meet
- 12. half of diameter
- 14. number staring from 1 is called