Two polygons are similar when:

  1. they have the same perimeter
  2. they have the same area
  3. corresponding angles are equal and corresponding sides are in the same ratio
  4. only their angles are equal
Answer

C) corresponding angles are equal and corresponding sides are in the same ratio

Both conditions are needed for polygons (for triangles, equal angles are enough). SLO M-09-B-16 · Knowledge

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