If you’re looking for a way to enhance your Class 9 Maths, then look no further than the NCERT MCQ Questions for Class 9 Maths Chapter 8 Quadrilaterals with Answers. MCQ Questions for Class 9 Maths with Answers is perfect for those who are in Class 9 Maths and want to get ahead of everyone else by mastering the subject skills as soon as possible! Go ahead and find Class 9 Maths Chapter 8 Quadrilaterals Objective Questions.
Quadrilaterals Class 9 MCQs Questions with Answers
Solving MCQ on Quadrilaterals Multiple Choice Questions of Class 9 Maths with Answers can be of great help to students as they will be aware of all the concepts. These Class 9 Maths Chapter 8 MCQ with Answers pave for a quick revision, thereby helping you learn more about this subject.
Question 1.
A diagonal of a Rectangle is inclines to one side of the rectangle at an angle of 25°. The Acute Angle between the diagonals is :
(a) 115°
(b) 50°
(c) 40°
(d) 25°
Answer
Answer: (b) 50°
Question 2.
The diagonals of a rectangle PQRS intersects at O. If ∠QOR = 44°, ∠OPS =?
(a) 82°
(b) 52°
(c) 68°
(d) 75°
Answer
Answer: (c) 68°
Question 3.
If angles A, B, C and D of the quadrilateral ABCD, taken in order, are in the ratio 3:7:6:4, then ABCD is
(a) rhombus
(b) parallelogram
(c) trapezium
(d) kite
Answer
Answer: (c) trapezium
Question 4.
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
Answer
Answer: (c) Rectangle
Question 5.
In a Quadrilateral ABCD, AB = BC and CD = DA, then the quadrilateral is a
(a) Triangle
(b) Kite
(c) Rhombus
(d) Rectangle
Answer
Answer: (b) Kite
Question 6.
The angles of a quadrilateral are (5x)°, (3x + 10)°, (6x – 20)° and (x + 25)°. Now, the measure of each angle of the quadrilateral will be
(a) 115°, 79°, 118°, 48°
(b) 100° 79°, 118°, 63°
(c) 110°, 84°, 106°, 60°
(d) 75°, 89°, 128°, 68°
Answer
Answer: (a) 115°, 79°, 118°, 48°
Question 7.
The diagonals of rhombus are 12 cm and 16 cm. The length of the side of rhombus is:
(a) 12 cm
(b) 16 cm
(c) 8 cm
(d) 10 cm
Answer
Answer: (d) 10 cm
Question 8.
In quadrilateral PQRS, if ∠P = 60° and ∠Q : ∠R : ∠S = 2 : 3 : 7, then ∠S =
(a) 175°
(b) 210°
(c) 150°
(d) 135°
Answer
Answer: (a) 175°
Question 9.
In parallelogram ABCD, if ∠A = 2x + 15°, ∠B = 3x – 25°, then value of x is:
(a) 91°
(b) 89°
(c) 34°
(d) 38°
Answer
Answer: (d) 38°
Question 10.
If ABCD is a trapezium in which AB || CD and AD = BC, then:
(a) ∠A = ∠B
(b) ∠A > ∠B
(c) ∠A < ∠B
(d) None of the above
Answer
Answer: (a) ∠A = ∠B
Question 11.
The diagonals of a parallelogram:
(a) Equal
(b) Unequal
(c) Bisect each other
(d) Have no relation
Answer
Answer: (c) Bisect each other
Question 12.
The sum of all the angles of a quadrilateral is equal to:
(a) 180°
(b) 270°
(c) 360°
(d) 90°
Answer
Answer: (c) 360°
Question 13.
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°
Answer
Answer: (d) 72°
Question 14.
In a parallelogram ABCD, if ∠A = 75°, then ∠B = ?
(a) 95°
(b) 80°
(c) 105°
(d) 15°
Answer
Answer: (c) 105°
Question 15.
Angles of a quadrilateral are in the ratio 3 : 6 : 8: 13. The largest angle is :
(a) 178°
(b) 156°
(c) 90°
(d) 36°
Answer
Answer: (b) 156°
Question 16.
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
Answer
Answer: (a) 4.5 cm
Question 17.
If ABCD is a Parallelogram with 2 Adjacent angles ∠A =∠B, then the parallelogram is a
(a) Rhombus
(b) Triangle
(c) Rectangle
(d) Square
Answer
Answer: (c) Rectangle
Question 18.
Which of the following is not a parallelogram?
(a) Rectangle
(b) Rhombus
(c) Square
(d) Trapezium
Answer
Answer: (d) Trapezium
Question 19.
In a parallelogram the sum of two consecutive angles is
(a) 360°
(b) 100°
(c) 180°
(d) 90°
Answer
Answer: (c) 180°
Question 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°
Answer
Answer: (c) 80°, 150°
Question 21.
he 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°
Answer
Answer: (d) 37°, 37°
Question 22.
The diagonals AC and BD of a parallelogram ABCD intersect each other at the point O. If ∠DAC = 32°, ∠AOB = 70°, then ∠DBC is equal to:
(a) 32°
(b) 88°
(c) 24°
(d) 38°
Answer
Answer: (d) 38°
Question 23.
Each angle of rectangle is:
(a) More than 90°
(b) Less than 90°
(c) Equal to 90°
(d) Equal to 45°
Answer
Answer: (c) Equal to 90°
Question 24.
A diagonal of a parallelogram divides it into two congruent:
(a) Square
(b) Parallelogram
(c) Triangles
(d) Rectangle
Answer
Answer: (c) Triangles
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