Analytic Geometry

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Across
  1. 8. A triangle with two equal sides.
  2. 11. A line that cuts a segment into two equal parts at 90 degrees.
  3. 12. A triangle with no equal sides.
  4. 13. An ordered pair representing a point on a plane.
  5. 14. Another name for a perpendicular bisector.
  6. 17. The distance from the centre of a circle to its edge.
  7. 18. A line from a vertex to the midpoint of the opposite side.
  8. 19. A line through the centre of a circle connecting two points on the circle.
  9. 21. Lines with equal slopes that never intersect.
  10. 22. A perpendicular line from a vertex to the opposite side of a triangle.
  11. 23. The set of all points equidistant from a centre.
Down
  1. 1. The fixed point in the middle of a circle.
  2. 2. Lines that intersect at a right angle.
  3. 3. The rate of change between two points on a line.
  4. 4. A rule written using symbols to calculate a value.
  5. 5. The length of a line segment between two points.
  6. 6. The point halfway between two endpoints of a line segment.
  7. 7. The point (0,0) on the Cartesian plane.
  8. 9. The longest side of a right triangle.
  9. 10. A polygon with three sides.
  10. 13. The coordinate system formed by two perpendicular axes.
  11. 15. A line that divides something into two equal parts.
  12. 16. A corner point of a shape.
  13. 20. A triangle with three equal sides.
  14. 24. A triangle containing a 90 degree angle.