Across
- 3. two angles measures 90 degree
- 7. co interior angles are also known as
- 10. The lines that intersect each other
Down
- 1. x axis
- 2. the point of intersection between x axis and y axis
- 4. the sum of two adjacent angles is 180 degree
- 5. in which quadrant (-4,-8) lies
- 6. three or more points lies on the same line
- 8. general form of linear equation in two variable
- 9. y axis
