Across
- 2. a line that passes through two lines in the same plane at two distinct points in the geometry
- 6. instrument used for meaning angles with a rotating telescope
- 9. when 2 figures are in equal shape and size
- 10. U-shaped curve that is drawn for a quadratic function
- 11. if the lines are parallel
- 12. any angle greater than 90°
- 14. an alphabet or term that represents an unknown number or unknown value or unknown quantity
- 15. a resultant number when one number is divided by the other number
- 17. a number or quantity placed with a variable
- 19. those angles that sum up to 180 degrees
Down
- 1. father of mathematics
- 3. invented zero
- 4. When the sum of two angles is equal to 90 degrees
- 5. when 2 figures shape is same, but size is proportional
- 7. if the lines intersect at a point
- 8. longest side in a right-angled triangle
- 9. A constant is a value or number that never changes in expression
- 13. An angle which is measuring less than 90 degrees
- 16. A line that touches the circle at a single point
- 18. triangle that has at least two sides of equal length