# MCQ Questions for Class 8 Maths Chapter 3 Understanding Quadrilaterals with Answers

We have compiled the NCERT MCQ Questions for Class 8 Maths Chapter 3 Understanding Quadrilaterals with Answers Pdf free download covering the entire syllabus. Practice MCQ Questions for Class 8 Maths with Answers on a daily basis and score well in exams. Refer to the Understanding Quadrilaterals Class 8 MCQs Questions with Answers here along with a detailed explanation.

Choose the correct option.

Question 1.
The angle sum of a convex polygon with number of sides n is
(a) (n – 2) 180°
(b) (n + 2) 180°
(c) (2n – 4) 180°
(d) (2n + 4) 180°

Answer: (a) (n – 2) 180°

Question 2.
What is the name of a regular polygon of 6 sides
(a) Square
(b) Equilateral triangle
(c) Regular hexagon
(d) Regular Octagon

Question 3.
The sum of the measures of the exterior angles of any polygon is
(a) 90°
(b) 180°
(c) 360°
(d) 720°

Question 4.
In an isosceles parallelogram, we have
(a) pair of parallel sides equal
(b) pair of non-parallel sides equal
(c) pair of non-parallel sides as perpendicular
(d) none of these.

Question 5.
Diagonal of which of the following quadrilaterals do not bisect it into two congruent triangles?
(a) Rhombus
(b) Square
(c) Rectangle
(d) Trapezium

Question 6.
Which of the following is true for the adjacent angles of a Parallelogram?
(a) They are equal to each other
(b) They are complementary angle,
(c) They are supplementary angles
(d) None of these

Answer: (c) They are supplementary angles

Question 7.
The measure of each exterior angles of a regular polygon of 15 sides is
(a) 30°
(b) 45°
(c) 60°
(d) 24°

Question 8.
Which of the following statement is true?
(a) All the rhombuses are squares
(b) Each square is a parallelogram
(c) Each parallelogram is a square
(d) Each trapezium is a parallelogram

Answer: (b) Each square is a parallelogram

Question 9.
The four angles of a quadrilateral are in the ratio 1 : 2 : 3 : 4. The measure of its smallest angle is
(a) 120°
(b) 36°
(c) 18°
(d) 10°

Question 10.
In a parallelogram ∠A : ∠B = 1 : 2 then ∠1 is
(a) 90°
(b) 45
(c) 60°
(d) 30°

Question 11.
Which of the following is a regular quadrilateral?
(a) A rhombus
(b) A square
(c) A rectangle
(d) A parallelogram

Question 12.
Which of the following is the sum of an exterior angle and its adjacent interior angle?
(a) A straight angle
(b) A right angle
(c) A complete angle
(d) Reflex angle

Question 13.
Which of the following quadilaterals has two pairs of adjacent sides equal and diagonals intersecting at right angles?
(a) square
(b) rhombus
(c) kite
(d) rectangle.

Question 14.
Which of the following quadrilaterals has a pair of opposite sides parallel?
(a) rhombus
(b) trapezium
(c) kite
(d) rectangle.

Fill in the blanks

Question 1.
The diagonal of a rhombus bisect each other at ……………….

Question 2.
All sides of a ………………… are equal and all angles are right angles.

Question 3.
A rhombus is a quadrilateral with …………………. of equal length.