## CBSE Class 9 Quadrilaterals MCQ By Clarify Knowledge

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## CBSE Class 9 Quadrilaterals MCQ Table

Question 1.

Three angles of a quadrilateral are 75°, 90°and 75°, the fourth angle is

(a) 90°

(b) 95°

(c) 105°

(d) 120°Answer

Question 2.

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

Question 3.

ABCD is a rhombus such that ∠ACB = 40°, then ∠ADB is

(a) 40°

(b) 45°

(c) 50°

(d) 60°Answer

Question 4.

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

Question 5.

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

Question 6.

ABCD is a rhombus such that ∠ABC = 40°, then ∠ADC is equal to

(a) 40°

(b) 45°

(c) 50°

(d) 20°Answer

Question 7.

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

Question 8.

The bisectors of any two adjacent angles of a || gm intersect at

(a) 30°

(b) 45°

(c) 60°

(d) 90°Answer

Question 9.

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

Question 10.

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 cmAnswer

Question 11.

In the given figure, ABCD is a parallelogram. Find the value of x.

(a) 25°

(b) 60°

(c) 75°

(d) 45°