Maths Crossword

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Across
  1. 2. One of the four sections into which the x-y plane is divided by the x- and y-axes.
  2. 4. For a triangle, this is the point at which the three medians intersect.
  3. 6. The point at which the three (possibly extended) altitudes of a triangle intersect.
  4. 8. A corner point of a geometric figure.
  5. 10. The likelihood of the occurrence of an event.
Down
  1. 1. A system of equations that has at least one solution.
  2. 3. The side of a right triangle opposite the right angle.
  3. 5. The study of triangles, with emphasis on calculations involving the lengths of sides and the measures of angles.
  4. 7. On the coordinate plane, the point (0, 0).
  5. 9. Another word for average.