Below you will find MCQ Questions of Chapter 8 Quadrilaterals Class 9 Maths Free PDF Download that will help you in gaining good marks in the examinations and also cracking competitive exams. These Class 9 MCQ Questions with answers will widen your skills and understand concepts in a better manner.
MCQ Questions for Class 9 Maths Chapter 8 Quadrilaterals with answers
1. In parallelogram ABCD, if ∠A = 2x + 15°, ∠B = 3x – 25°, then value of x is:
(a) 91°
(b) 89°
(c) 34°
(d) 38°
► (d) 38°
2. If every pair of adjacent sides of a quadrilateral are equal, then the quadrilateral is a
(a) Rectangle or a trapezium
(b) Square or a Rhombus
(c) Square only
(d) Rhombus only
► (b) Square or a Rhombus
3. Bisectors of angles of a parallelogram form a
(a) Rhombus
(b) Rectangle
(c) Trapezium
(d) Square
► (b) Rectangle
4. What is the sum of angles of quadrilaterals?
(a) 90°
(b) 180°
(c) 360°
(d) 270°
► (c) 360°
5. Perimeter of a parallelogram is 22 cm. If the longer side, measures 6.5 cm, the measure of the shorter side will be
(a) 4.5 cm
(b) 6.5 cm
(c) 2.5 cm
(d) 3.0 cm
► (a) 4.5 cm
6. The angle between two altitudes of a Parallelogram through the vertex of an obtuse angle of the Parallelogram of 60∘. Find the angles of the Parallelogram
(a) 150°, 150°, 30°, 30°
(b) 110°, 50°, 105°, 105°
(c) 120°, 60°, 120°, 60°
(d) 200°, 100°, 30°, 30°
► (c) 120°, 60°, 120°, 60°
7. Consecutive angles of a Parallelogram are
(a) Supplementary
(b) Acute
(c) Complementary
(d) Equal
► (a) Supplementary
8. The opposite angles of a parallelogram are (3x – 2)° and (50 – x)° the measure of these angles is ______.
(a) 140°, 140°
(b) 20°, 160°
(c) 37°, 143°
(d) 37°, 37°
► (d) 37°, 37°
9. Which of the following is not a parallelogram?
(a) Rectangle
(b) Rhombus
(c) Square
(d) Trapezium
► (d) Trapezium
10. Each diagonal of a parallelogram divides it into two
(a) Right triangles
(b) Triangles
(c) Equilateral triangles
(d) Congruent triangles
► (d) Congruent triangles
11. In quadrilateral PQRS, if ∠P = 60° and ∠Q : ∠R : ∠S = 2 : 3 : 7, then ∠S = _____.
(a) 175°
(b) 210°
(c) 150°
(d) 135°
► (a) 175°
12. The angles of a quadrilateral are in the ratio 3:5:9:13. The measure of angles of quadrilateral are:
(a) 36°, 54°, 140° and 250°
(b) 85°, 50°, 200° and 40°
(c) 36°, 60°, 108° and 156°
(d) 40°, 80°, 150° and 120°
► (c) 36°, 60°, 108° and 156°
13. If ABCD is a Parallelogram with 2 Adjacent angles ∠A =∠B, then the parallelogram is a
(a) Rhombus
(b) Triangle
(c) Rectangle
(d) Square
► (c) Rectangle
14. The length of each side of a rhombus is 10cm and one of its diagonal is of length 16cm. The Length of the other Diagonal is:
(a) 5cm
(b) 12cm
(c) 13cm
(d) 6cm
► (b) 12cm
15. In a parallelogram ABCD, if ∠A = 75°, then ∠B = ?
(a) 95°
(b) 80°
(c) 105°
(d) 15°
► (c) 105°
16. The diagonals of a rectangle PQRS intersects at O. If ∠QOR = 44°, ∠OPS =?
(a) 82°
(b) 52°
(c) 68°
(d) 75°
► (c) 68°
17. The diagonal of a square is 10 cm. Its area is:
(a) 25 cm^{2}
(b) 50 cm^{2}
(c) 20 cm^{2}
(d) 100 cm^{2}
► (b) 50 cm^{2}
18. Angles of a quadrilateral are in the ratio 3 : 4 : 4 : 7. Find all the angles of the quadrilateral.
(a) 60°, 120°, 80°, 140°
(b) 60°, 80°, 100°, 90°
(c) 70°, 70°, 100°, 100°
(d) 60°, 80°, 80°, 140°
► (d) 60°, 80°, 80°, 140°
19. All the angles of a convex quadrilateral are congruent. However, not all its sides are congruent. What type of quadrilateral is it?
(a) Parallelogram
(b) Square
(c) Rectangle
(d) Trapezium
► (c) Rectangle
20. Two angles of a quadrilateral are 50° and 80° and other two angles are in the ratio 8 : 15. Find the measure of the remaining two angles.
(a) 100°, 130°
(b) 140°, 90°
(c) 80°, 150°
(d) 70°, 160°
► (c) 80°, 150°
21. If an angle of a parallelogram is two-third of its adjacent angle, the smallest angle of the parallelogram is:
(a) 81°
(b) 54°
(c) 108°
(d) 72°
► (d) 72°
22. Which of the following is not true for a parallelogram?
(a) Diagonals bisect each other
(b) Opposite sides are equal
(c) Opposite angles are equal
(d) Opposite angles are bisected by diagonals
► (d) Opposite angles are bisected by diagonals
Hope the given MCQ Questions will help you in cracking exams with good marks. These Quadrilaterals MCQ Questions will help you in practising more and more questions in less time.