Geometry Unit 8

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Across
  1. 1. A parallelogram with four congruent sides.
  2. 3. A polygon with 4 sides and 4 angles.
  3. 5. A segment connecting the midpoints of the legs of a trapezoid.
  4. 7. A quadrilateral with both pairs of opposite sides parallel.
  5. 8. A closed plane figure formed by three or more line segments that intersect only at their endpoints.
  6. 10. A polygon with 8 sides and 8 angles.
  7. 12. A quadrilateral with exactly one pair of parallel sides.
  8. 13. A polygon with 3 sides and 3 angles.
  9. 14. A quadrilateral with two distinct pairs of adjacent congruent sides.
  10. 16. A polygon with 5 sides and 5 angles.
  11. 17. An angle formed outside a polygon by extending one side of the polygon.
  12. 19. A polygon with 7 sides and 7 angles.
  13. 20. An angle formed inside a polygon by two consecutive sides.
Down
  1. 2. A polygon with 6 sides and 6 angles.
  2. 4. The sum of the measures of one exterior angle at each vertex of any polygon. 360∘
  3. 6. A polygon with 10 sides and 10 angles.
  4. 9. A polygon with 9 sides and 9 angles.
  5. 11. A parallelogram with four congruent sides and four right angles.
  6. 15. The sum of the measures of the interior angles of a polygon. (n−2)(180∘) where n is the number of sides.
  7. 18. A parallelogram with four right angles.