TRIANGLES

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Across
  1. 2. figures which are same in shape but not in size?
  2. 4. closed figure which has four sides?
  3. 5. opposite side of right angle in a right angle triangle?
Down
  1. 1. closed figure which has three sides?
  2. 3. figures are same in shape and size PARALLELOGRAM figures which opposite sides are parallel and equal?