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.
Understanding Quadrilaterals Class 8 MCQs Questions with Answers
Choose the correct option.
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°
What is the name of a regular polygon of 6 sides
(b) Equilateral triangle
(c) Regular hexagon
(d) Regular Octagon
Answer: (c) Regular hexagon
The sum of the measures of the exterior angles of any polygon is
Answer: (c) 360°
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.
Answer: (d) None of these.
Diagonal of which of the following quadrilaterals do not bisect it into two congruent triangles?
Answer: (d) Trapezium
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
The measure of each exterior angles of a regular polygon of 15 sides is
Answer: (d) 24°
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
The four angles of a quadrilateral are in the ratio 1 : 2 : 3 : 4. The measure of its smallest angle is
Answer: (b) 36°
In a parallelogram ∠A : ∠B = 1 : 2 then ∠1 is
Answer: (c) 60°
Which of the following is a regular quadrilateral?
(a) A rhombus
(b) A square
(c) A rectangle
(d) A parallelogram
Answer: (b) A square
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
Answer: (a) A straight angle
Which of the following quadilaterals has two pairs of adjacent sides equal and diagonals intersecting at right angles?
Answer: (c) kite
Which of the following quadrilaterals has a pair of opposite sides parallel?
Answer: (b) trapezium
Fill in the blanks
The diagonal of a rhombus bisect each other at ……………….
Answer: Right angle
All sides of a ………………… are equal and all angles are right angles.
A rhombus is a quadrilateral with …………………. of equal length.
A square has sides of equal length and angles of equal measure, so it is a ………………….. polygon.
Answer: Regular Quadrilateral
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