Quadrilaterals Quiz - CBSE Class 8 Mathematics

Free practice quiz: Quadrilaterals (CBSE Class 8 Mathematics). 17 multiple-choice questions with answers and explanations. Play online, no sign-up needed.

Sample questions

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

   1. 360 degrees
   2. 180 degrees
   3. 90 degrees
   4. 270 degrees
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   Answer: A. 360 degrees

   The sum of the interior angles of any quadrilateral is always 360 degrees. This is derived from the fact that a quadrilateral can be divided into two triangles, each having a sum of angles equal to 180 degrees.

2. In a parallelogram, opposite angles are:

   1. Equal
   2. Supplementary
   3. Complementary
   4. None of the above
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   Answer: A. Equal

   In a parallelogram, opposite angles are equal due to the properties of parallel lines and transversals.

3. Which property is true for all types of parallelograms?

   1. All sides are equal
   2. All angles are right angles
   3. Opposite sides are equal
   4. Diagonals are perpendicular
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   Answer: C. Opposite sides are equal

   All parallelograms have the property that opposite sides are equal and parallel.

4. Which quadrilateral has diagonals that are perpendicular bisectors of each other?

   1. Rectangle
   2. Rhombus
   3. Trapezium
   4. Parallelogram
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   Answer: B. Rhombus

   In a rhombus, the diagonals intersect at right angles and bisect each other, making them perpendicular bisectors.

5. If a square has a side length of 4 cm, what is its area?

   1. 8 cm²
   2. 12 cm²
   3. 16 cm²
   4. 20 cm²
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   Answer: C. 16 cm²

   The area of a square is calculated using the formula side × side. Therefore, 4 cm × 4 cm = 16 cm².

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