Across
- 6. when a pair of linear equation has a unique solution, lines are....
- 8. divide a parallelogram into 4 triangles of equal areas.
- 9. collection of points in a plane equidistant from a fixed point.
- 10. when 2 linear equations has no solution, lines are....
Down
- 1. area is the half of the product of length of diagonals.
- 2. a three sided polygon.
- 3. divide a triangle into 2 triangles of equal areas.
- 4. sum of pairs of opposite angles of...... quadrilateral is 180 degree.
- 5. longest chord.
- 7. a quadrilateral with four 90 degree angles.