never ending reckless puzzle for you.

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Across
  1. 2. a vertex is a point shared by two sides of a polygon.
  2. 5. triangle with no equal sides are called scalene all triangles that are not equilateral or isosceles are scalene.
Down
  1. 1. a shape with four sides.
  2. 3. a unit of liquid volume in the customary system that equals four quarts.
  3. 4. a unit for measuring angles