Polygons and Quadrilaterals

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Across
  1. 1. This formula is used to determine if the angles are perpendicular (right)
  2. 5. A triangle with all the sides congruent
  3. 7. A polygon in which all sides and angles are congruent
  4. 9. A parallelogram with four congruent sides and four right angles
  5. 10. This formula is used to find the length of the line
  6. 14. A trapezoid with legs that are congruent
Down
  1. 2. A polygon in which all sides are congruent
  2. 3. A quadrilateral with two pairs of consecutive sides congruent and no opposite sides congruent
  3. 4. A triangle that all sides are different
  4. 5. A polygon in which all angles are congruent
  5. 6. This formula is used to find the middle of a line
  6. 8. A parallelogram with four right angles
  7. 11. A triangle with 2 sides that are congruent
  8. 12. A parallelogram with four congruent sides
  9. 13. A quadrilateral with exactly one pair of parallel lines