Quadrilaterals Quiz - CBSE Class 9 Mathematics

Free practice quiz: Quadrilaterals (CBSE Class 9 Mathematics). 15 multiple-choice questions with answers and explanations. Play online, no sign-up needed.

Sample questions

1. Which of the following is not a property of a parallelogram?

   1. Opposite sides are equal
   2. Diagonals bisect each other
   3. Opposite angles are equal
   4. All sides are equal
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   Answer: D. All sides are equal

   In a parallelogram, opposite sides are equal, and opposite angles are equal, and the diagonals bisect each other. However, not all sides are equal; that is a characteristic of a rhombus.

2. What is the sum of the interior angles of a quadrilateral?

   1. 180 degrees
   2. 360 degrees
   3. 90 degrees
   4. 450 degrees
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   Answer: B. 360 degrees

   The sum of the interior angles of a quadrilateral is always 360 degrees, calculated as (n-2)*180 where n is the number of sides.

3. What are the properties of the diagonals in a parallelogram?

   1. They are equal
   2. They bisect each other
   3. They are perpendicular
   4. They are congruent
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   Answer: B. They bisect each other

   In a parallelogram, the diagonals bisect each other, which means they divide each other into two equal halves.

4. Which geometric shape is a quadrilateral with opposite sides that are parallel but does not have equal sides?

   1. Rectangle
   2. Rhombus
   3. Parallelogram
   4. Square
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   Answer: C. Parallelogram

   A parallelogram has opposite sides that are parallel but not necessarily equal. This differentiates it from a rectangle and square.

5. In a kite, which of the following is true about one pair of opposite angles?

   1. They are equal
   2. They are supplementary
   3. They are complementary
   4. They are complementary to adjacent angles
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   Answer: A. They are equal

   In a kite, one pair of opposite angles are equal, typically the angles between the unequal sides.

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