Important Questions for Class 8 Maths Chapter 4 Quadrilateral: Practice Questions with Answers

The Quadrilaterals chapter introduces students to the properties of different quadrilaterals and polygons, along with important concepts such as the angle sum property, exterior angle property, and the characteristics of special quadrilaterals like parallelograms, rectangles, squares, rhombuses, and trapeziums. 

The Quadrilaterals Class 8 Maths Important Questions with Answers by PW are designed to help students revise every key concept of the chapter through exam-oriented questions. By solving these questions, students can strengthen their conceptual understanding, improve problem-solving accuracy, and prepare confidently for unit tests, half-yearly, and annual examinations.

Quadrilaterals Class 8 Maths Important Questions by PW

The Quadrilaterals Class 8 Maths Important Questions with Answers given below cover all the major concepts of the chapter, including properties of quadrilaterals, angle relationships, polygons, and exam-oriented numerical problems.

Q1. If three angles of a quadrilateral are 90°, 85°, and 95°, what is the measure of the fourth angle?

(A) 90°
(B) 80°
(C) 95°
(D) 85°

Ans: (A)

Q2 The angles of a quadrilateral are in the ratio 3:5:9:13. Find the greatest angle of the quadrilateral.

1. 190 degree

2. 156 degree

3. 105 degree

4. 120 degree

Ans: (B)

Q3. Match the following:

Options:

(A) P (i), Q (ii), R (iii), S (iv)
(B) P (iii), Q (iv), R (i), S (ii)
(C) P (iv), Q (ii), R (iii), S (i)
(D) P (iv), Q (iii), R (ii), S (i)

Ans: (B)

Q4. In the given rectangle PQRS, find the measure of ∠POQ.

Options:

(A) 47°
(B) 24°
(C) 67°
(D) 58°

Ans: (C)

Q5. In the adjoining figure, ABCD is a parallelogram in which ∠A = 75°. Find the measure of each of the angles ∠B, ∠C, and ∠D.

Options:

(A) B = 105°, C = 175°, D = 105°
(B) B = 105°, C = 75°, D = 105°
(C) B = 105°, C = 75°, D = 155°
(D) B = 100°, C = 75°, D = 105°

Ans: (B)

Quadrilaterals Class 8 Maths Important Questions PDF

The Quadrilaterals Class 8 Maths Important Questions PDF is a useful revision resource for students preparing for school examinations. It includes carefully selected MCQs, short-answer questions, long-answer questions, and numerical problems based on the important concepts of the chapter.

Students can download the PDF for offline practice and revise important topics such as the angle sum property of quadrilaterals, exterior angle property of polygons, and properties of special quadrilaterals whenever required.

How to Prepare Quadrilaterals Class 8 Maths Effectively

Scoring well in the Quadrilaterals chapter requires a clear understanding of geometric properties and consistent problem-solving practice. Following these preparation tips can help you master the chapter.

• Understand the Different Types of Quadrilaterals: Learn the properties of parallelograms, rectangles, squares, rhombuses, kites, and trapeziums. Focus on how they differ based on their sides, angles, and diagonals.

• Master the Angle Properties: Revise the angle sum property of quadrilaterals, the exterior angle sum property of polygons, and relationships between adjacent, opposite, and supplementary angles, as these concepts form the basis of many questions.

• Practise Numerical Problems Regularly: Solve questions involving missing angles, polygon angle sums, and applications of quadrilateral properties. Regular practice improves speed and accuracy.

• Draw Neat Diagrams: Geometry questions become much easier when figures are drawn correctly. Label all sides, angles, and diagonals carefully before solving a problem.

• Solve NCERT Exercises and Important Questions: Complete every NCERT exercise first and then practise chapter-wise important questions to become familiar with the variety of questions asked in examinations.