Geometry CH7 Lessons 7.1 & 7.2 Vocab

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Across
  1. 4. A quadrilateral with two pairs of parallel opposite sides
  2. 5. states that if a quadrilateral is a parallelogram, then its opposite angles are congruent.
  3. 6. states that the sum of the measures of the exterior angles of a convex polygon is 360°.
  4. 8. states that the sum of the measures of the interior angles of a convex polygon with n sides is (𝑛 − 2)180°.
  5. 9. states that if a quadrilateral is a parallelogram, then its diagonals bisect each other.
Down
  1. 1. The angles on the inside of a polygon at each vertex
  2. 2. states that if a quadrilateral is a parallelogram, then its opposite sides are congruent.
  3. 3. states that if a quadrilateral is a parallelogram, then its consecutive angles are supplementary.
  4. 7. The angle outside the polygon formed by the extension of the side