Geometry Crossword

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Across
  1. 2. when two triangles are proven congruent, so are their parts
  2. 4. has two sides of equal length (3 sides total)
  3. 6. its diagonals bisect at a right angle
  4. 7. connects a vertex to the midpoint of the opposite side
Down
  1. 1. opposite to the right angle of a triangle
  2. 3. both pairs of opposite sides are parallel
  3. 5. all angles and sides are congruent