Quadrilaterals MCQ Multiple Choice Questions Answers - Page 2 for Practice

Q: 32. Trapezium, rhombus and parallelograms are

Correct Answer is: quadrilaterals

Q: 33. What is true about the diagonals in an isosceles trapezoid?

Correct Answer is: They are congruent.

Q: 34. What statement would be suffi cient to prove that a quadrilateral is a rhombus?

Correct Answer is: The quadrilateral has four congruent sides.

Q: 36. Which compound statement is true?

Correct Answer is: A triangle has three sides or a quadrilateral has five sides.

Q: 37. Which description does NOT guarantee that a quadrilateral is a square?

Correct Answer is: is a parallelogram with perpendicular diagonals

Q: 38. Which of the following conditions or set of conditions is suffi cient for a parallelogram to be a square?

Correct Answer is: Diagonals are perpendicular and diagonals are congruent.

Q: 39. Which of the following conditions or set of conditions must be met for a parallelogram to be a rectangle?

Correct Answer is: Diagonals are congruent.

Q: 41. Which of the following is not true for a parallelogram?

Correct Answer is: Opposite angles are bisected by the diagonals

Q: 42. Which of the following statements is NOT true when describing the diagonals of a rectangle?

Correct Answer is: The diagonals of a rectangle are always perpendicular.

Q: 46. Which statement is true?

Correct Answer is: All rectangles are quadrilaterals.

31. Three angles of a quadrilateral are 75^o, 90^o and 75^o, then the fourth angle is

90^o
95^o
105^o
120^o

32. Trapezium, rhombus and parallelograms are

triangles
circles
quadrilaterals
none of these.

33. What is true about the diagonals in an isosceles trapezoid?

They are congruent.
They are perpendicular.
They are congruent and perpendicular.
The length of each diagonal is equal to half the sum of the bases.

34. What statement would be suffi cient to prove that a quadrilateral is a rhombus?

The quadrilateral has four congruent angles.
The quadrilateral has two pairs of parallel sides.
The quadrilateral has four congruent sides.
The quadrilateral has two pairs of congruent angles.

35. When a quadrilateral is reflected over the line y = x, which geometric relationship is not preserved?

congruence
orientation
parallelism
perpendicularity

36. Which compound statement is true?

A triangle has three sides and a quadrilateral has five sides.
A triangle has three sides if and only if a quadrilateral has five sides.
If a triangle has three sides, then a quadrilateral has five sides.
A triangle has three sides or a quadrilateral has five sides.

37. Which description does NOT guarantee that a quadrilateral is a square?

is both a rectangle and a rhombus
is a parallelogram with perpendicular diagonals
has all sides congruent and all angles congruent
has all right angles and has all sides congruent

38. Which of the following conditions or set of conditions is suffi cient for a parallelogram to be a square?

Diagonals are perpendicular and diagonals are congruent.
Diagonals are congruent.
All sides are congruent.
The length of a diagonal is equal to the length of a side.

39. Which of the following conditions or set of conditions must be met for a parallelogram to be a rectangle?

Diagonals are perpendicular.
Diagonals are congruent.
All sides are congruent.
The length of a diagonal is equal to the length of a side.

40. Which of the following is not a parallelogram?

trapezium
square
rectangle
rhombus

41. Which of the following is not true for a parallelogram?

Opposite sides are equal
Opposite angles are equal
Opposite angles are bisected by the diagonals
Diagonals bisect each other

42. Which of the following statements is NOT true when describing the diagonals of a rectangle?

The diagonals of a rectangle are always perpendicular.
The diagonals of a rectangle are always congruent.
The diagonals of a rectangle always bisect one another
The diagonals of a rectangle are always longer than any one side of the rectangle.

43. Which of the quadrilateral is not a parallelogram ?

rectangle
trapezium
square
rhombus.

44. Which quadrilateral has diagonals that always bisect its angles and also bisect each other?

rhombus
rectangle
parallelogram
isosceles trapezoid

45. Which quadrilateral has only one pair of opposite sides parallel ?

trapezium
rhombus
rectangle
none of these.

46. Which statement is true?

All quadrilaterals are rectangles.
All quadrilaterals are squares.
All rectangles are quadrilaterals.
All quadrilaterals are parallelograms.