Quadrilaterals

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Across
  1. 2. A(n) ____ is a parallelogram with four congruent sides.
  2. 4. A(n)____ is a parallelogram with four right angles.
  3. 7. A(n) ____ is a trapezoid whose nonparallel sides are congruent.
  4. 9. A(n) ____ is a quadrilateral with two pairs of adjacent sides congruent and no opposite sides congruent.
Down
  1. 1. Angles of a polygon that share a common side
  2. 3. A(n) ____ is a quadrilateral with both pairs of opposite of opposites sides parallel.
  3. 5. A(n) ____ is a parallelogram with four congruent sides and four right angles.
  4. 6. Two angles that share a base of a trapezoid are its ____.
  5. 8. A(n) ____ is a quadrilateral with exactly one pair of parallel sides