Chapter 6 Math Crossword

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Across
  1. 2. parallelogram with four right angles
  2. 4. the base angles of an isosceles trapezoid are congruent
  3. 8. the length of the segment of a triangle is one-half the length of the third side
  4. 13. The sum of the measures if the exterior angles, one at each vertex, of a convex polygon is 360
Down
  1. 1. both equilateral and equiangular
  2. 3. The length of the midsegment of a trapezoid is the average of the lengths of the bases
  3. 5. parallelogram with four consecutive sides
  4. 6. parallelogram with four right angles and four consecutive sides
  5. 7. The sum of the measures of the interior angles of a convex polygon with n sides is (n - 2)(180)
  6. 9. a parallelogram is a rectangle if and only if the diagonals have equal measure
  7. 10. To find the number of ways that a group of items can be ordered, multiply the number of ways that the item can be ordered at each position
  8. 11. a trapezoid thats legs are congruent
  9. 12. quadrilateral with exactly one pair of parallel sides
  10. 13. quadrilateral with both pairs of opposite sides parallel