QUADRILATERALS

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Across
  1. 1. When you join 2 congruent triangles I am formed.
  2. 4. I am a parallelogram my adjacent angle are _____.
  3. 5. I am both equilateral and equiangular.
  4. 7. I have all sides and angles equal, my bisectors are______.
Down
  1. 2. I am parallelogram with right angles.
  2. 3. I have 2 sides equal and two side parallel I am a ____ Trapezium.
  3. 6. My one diagonal bisects another.
  4. 8. My sides are parallel and equal and adjacent angles add up to 180 degree.