MCQs Questions for Class 9 Maths Chapter 8 Quadrilaterals
In this 21st century, Multiple Choice Questions (MCQs) play a vital role to prepare for a competitive examination. CBSE board has also brought a major change in its board exam patterns. Now-a-days, a total of 10 MCQs questions are asked in the class 10 board examination.
In most of the competitive examinations, only MCQ questions are asked. So, for getting ready for the competitive examinations, we have to practice for MCQs questions to solve. It strengthens the critical thinking and problem solving skills.
In future, if you want to prepare for competitive examination and to crack it, then you should more focus on the MCQ questions. Thus, from the board examinations point of view and competitive examinations point of view, you should practice more on multiple choice questions.
Thus, let’s solve these MCQs Questions to make our foundation very strong.
MCQs Questions for Class 9
Maths Chapter 8 Quadrilaterals
1. Three angles of a
quadrilateral are 75°, 90°and 85°, the fourth angle is
(a) 90°
(b) 95°
(c) 105°
(d) 110°
Answer: d
2. The
sum of all the angles of a quadrilateral is equal to:
a. 180°
b. 270°
c. 360°
d. 90°
Answer: c
3. A diagonal of a rectangle is
inclined to one side of the rectangle at 25°. The acute angle between the
diagonals is
(a) 55°
(b) 50°
(c) 40°
(d) 25°
Answer: b
4. A
trapezium has:
a. One pair of
opposite sides parallel
b. Two pair of opposite sides parallel to each
other
c. All its sides are equal
d. All angles are equal
Answer: a
5. ABCD is a rhombus such that ∠ACB = 40°, then ∠ADB is
(a) 40°
(b) 45°
(c) 50°
(d) 60°
Answer: c
6. A diagonal of a
parallelogram divides it into two congruent:
a. Square
b. Parallelogram
c. Triangles
d. Rectangle
Answer: c
7. If angles A, B, C and D of a quadrilateral ABCD, taken in
order, are in the ratio 3 : 7 : 6 : 4, then ABCD is a
(a) rhombus
(b) parallelogram
(c) trapezium
(d) kite.
Answer: c
8. In a
parallelogram, opposite angles are:
a. Equal
b. Unequal
c. Cannot be determined
d. None of the above
Answer: a
9. The diagonals AC and BD of a || gm ABCD intersect each other
at the point O. If ∠DAC
= 32° and ∠AOB = 70°, then ∠DBC is equal to
(a) 24°
(b) 86°
(c) 38°
(d) 32°
Answer: c
10. The angles of
quadrilateral are in the ratio 4 : 5 : 10 : 11. The angles are:
a. 36°, 60°, 108°,
156°
b. 48°, 60°, 120°, 132°
c. 52°, 60°, 122°, 126°
d. 60°, 60°, 120°, 120°
Answer: b
11. If one angle of a parallelogram is 24° less than twice the
smallest angle, then the measure of the largest angle of a parallelogram is
(a) 176°
(b) 68°
(c) 112°
(d) 102
Answer: c
12.
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: a
13. The bisectors of any two adjacent angles of a || gm intersect
at
(a) 30°
(b) 45°
(c) 60°
(d) 90°
Answer: d
14. If the diagonal of a rhombus are 18 cm and 24 cm
respectively, then its side is equal to
(a) 16 cm
(b) 15 cm
(c) 20 cm
(d) 17 cm
Answer: b
15. In the given figure, ABCD is a parallelogram. Find the value
of x.
(a) 25°
(b) 60°
(c) 75°
(d) 45°
Answer: d
16. In the following figure, ABCD and AEFG are two
parallelograms. If ∠C
= 60°, then ∠GFE is
(a) 30°
(b) 60°
(c) 90°
(d) 120°
Answer: b