Maths crossword 2

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Across
  1. 3. Line segment joining two points in a circle.
  2. 4. Collection of one or more outcomes of an experiment.
  3. 5. Angle in a ___________ is a right angle.
  4. 6. Volume of a cuboid.
Down
  1. 1. Area of a _______ can be found by splitting it into two triangles.
  2. 2. The most frequently occuring observation.
  3. 3. mark Mid value of the class interval.