1. Saying that "diagonals bisect each other" is enough to conclude that a given quadrilateral is a ____________________. a) parallelogram b) isosceles trapezoid c) kite d) rhombus e) rectangle f) square 2. A square is __________________ a rhombus. a) always b) sometimes c) never 3. Diagonals of a trapezoid are ___________________congruent. a) always b) sometimes c) never 4. There is exactly one pair of opposite congruent sides in: (Choose all that apply or one of the last two choices.) a) a kite b) a parallelogram c) a trapezoid d) a rhombus e) a rectangle f) an isosceles trapezoid g) a square h) any quadrilateral i) none of the above 1 5. A rhombus is _________________ a square: a) always b) sometimes c) never 6. A trapezoid is _________________ a parallelogram: a) always b) sometimes c) never 7. Both pairs of opposite angles are congruent in: (Choose all that apply or one of the last two choices.) a) a kite b) a parallelogram c) a trapezoid d) a rhombus e) a rectangle f) an isosceles trapezoid g) a square h) any quadrilateral i) none of the above 8. Diagonals of a trapezoid ________________ bisect each other. a) always b) sometimes c) never 9. Base angles of a trapezoid are _______________congruent. a) always b) sometimes c) never 2 10. There could be exactly two right angles in: (Choose all that apply or one of the last two choices.) a) a kite b) a parallelogram c) a trapezoid d) a rhombus e) a rectangle f) an isosceles trapezoid g) a square h) any quadrilateral i) none of the above 11. Saying that "all angles are congruent" is enough to conclude that a given quadrilateral is a ___________________. a) parallelogram b) isosceles trapezoid c) kite d) rhombus e) rectangle f) square 12. There is exactly one pair of opposite congruent angles in: (Choose all that apply or one of the last two choices.) a) a kite b) a parallelogram c) a trapezoid d) a rhombus e) a rectangle f) an isosceles trapezoid g) a square h) any quadrilateral i) none of the above 13. A rhombus is ______________ a parallelogram. a) always b) sometimes c) never 3 14. A square is ______________________ a parallelogram. a) always b) sometimes c) never 15. A square is __________________ a rectangle. a) always b) sometimes c) never 16. Saying that "consecutive angles are supplementary" is enough to conclude that a given quadrilateral is a ______________________. a) parallelogram b) isosceles trapezoid c) kite d) rhombus e) rectangle f) square 17. Diagonals of an isosceles trapezoid are _______________ congruent. a) always b) sometimes c) never 4 18. Diagonals are always perpendicular in: (Choose all that apply or one of the last two choices.) a) a kite b) a parallelogram c) a trapezoid d) a rhombus e) a rectangle f) an isosceles trapezoid g) a square h) any quadrilateral i) none of the above 19. Diagonals always bisect each other in: (Choose all that apply or one of the last two choices.) a) a kite b) a parallelogram c) a trapezoid d) a rhombus e) a rectangle f) an isosceles trapezoid g) a square h) any quadrilateral i) none of the above 20. Saying that "diagonals bisect each other" is enough to conclude that a given quadrilateral is a _____________________. a) parallelogram b) isosceles trapezoid c) kite d) rhombus e) rectangle f) square 5 21. Base angles of an isosceles trapezoid are _________________congruent. a) always b) sometimes c) never 22. A kite is _________________ a rhombus. a) always b) sometimes c) never 23. A parallelogram is ___________________ a trapezoid. a) always b) sometimes c) never 24. Diagonals always bisect BOTH pairs of opposite angles in: a) a kite b) a parallelogram c) a trapezoid d) a rhombus e) a rectangle f) an isosceles trapezoid g) a square h) any quadrilateral i) none of the above 6 25. Diagonals are congruent in: a) a kite b) a parallelogram c) a trapezoid d) a rhombus e) a rectangle f) an isosceles trapezoid g) a square h) any quadrilateral i) none of the above 26. Saying that "diagonals are perpendicular and congruent" is enough to conclude that a given quadrilateral is a _____________________. a) parallelogram b) isosceles trapezoid c) kite d) rhombus e) rectangle f) square 27. Saying that "diagonals are perpendicular and opposite sides are parallel" is enough to conclude that a given quadrilateral is a __________________. a) parallelogram b) isosceles trapezoid c) kite d) rhombus e) rectangle f) square 28. Non­parallel sides of an isosceles trapezoid are ________________ congruent. a) always b) sometimes c) never 29. Saying that "diagonals are congruent and opposite sides are parallel" is enough to conclude that a given quadrilateral is a ______________________. a) parallelogram b) isosceles trapezoid c) kite d) rhombus e) rectangle f) square 7 30. A trapezoid is _______________ a parallelogram. a) always b) sometimes c) never 31. Bases of a trapezoid are _______________ congruent. a) always b) sometimes c) never 8.