Triangles

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Across
  1. 1. all equilateral triangles are
  2. 4. figures the figures of same shape
  3. 6. the ratio of sides of Similar figures
Down
  1. 1. figures the figures of same shape and size
  2. 2. theorem another name of basic Proportional theorem
  3. 3. one of the criteria for Similar figures
  4. 5. areas of congruent figures