Elementry shaps

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Across
  1. 4. triangle All sides are unequal
  2. 6. Seven sided polygon
  3. 7. triangle Two side are equal
  4. 9. Two opposite sides are parallel
  5. 10. All sides are equal
Down
  1. 1. angle. More than 90degree
  2. 2. angle. An angle name for one fourth of a revolution
  3. 3. angle. More than 180 and less than 360 degrees
  4. 5. triangle All sides equal
  5. 8. Eight equal sides