Triangles

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Across
  1. 2. A triangle with at least two equal sides.
  2. 4. It is a three - sided polygon.
  3. 6. This triangle has one angle larger than 90 degrees.
Down
  1. 1. A triangle with one angle equal to 90 degrees.
  2. 3. A triangle with no equal sides.
  3. 5. Each angle of this triangle is less than 90 degrees.