Understanding Quadrilaterals, Chapter 3 Class 8 Maths MCQs

1. 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 1 of 20

2. Which of the following quadrileterals has a pair of opposite sides parallel?

(a) rhombus

(b) trapezium

(c) kite

(d) rectangle

Question 2 of 20

3. Which of the following quadrilaterals is a regular quadrilateral?

(a) rectangle

(b) square

(c) rhombus

(d) kite

Question 3 of 20

4. Which of the quadrilaterals has all angles as right angles, opposite sides equal and diagonals bisect-each other?

(a) rectangle

(b) rhombus

(c) square

(d) none of these.

Question 4 of 20

5. Which of the parallelograms has all sides equal and diagonals bisect each other at right angle?

(a) square

(b) rectangle

(c) rhombus

(d) trapezium.

Question 5 of 20

6. In an isosceles parallelogram, we have:

(a) pair of parallel sides as equal

(b) pair of non-parallel sides as equal

(c) pair of non-parallel sides as perpendicular

(d) none of these

Question 6 of 20

7. Which of the following is true for the adjacent angles of a parallelogram?

(a) they are equal to each other

(b) they are complementary angles

(c) they are supplementary angles

(d) none of these.

Question 7 of 20

8. The sides of a pentagon are produced in order. Which of the following is the sum of its exterior angles?

(a) 540°

(b) 180°

(c) 720°

(d) 360°

Question 8 of 20

9. Which of the following is a formula to find the sum of interior angles of a quadrilaters of n-sides?

Question 9 of 20

10. Diagonals of which of the following quadrilaterals do not bisect it into two congruent triangles?

(a) rhombus

(b) trapezium

(c) square

(d) rectangle

Question 10 of 20

11. How many diagonals does a convex quadrilateral have?

a. 4

b. none of these

c. 2

d. 3

Question 11 of 20

12. State the name of a regular polygon of 5 sides.

a. quadrilateral

b. hexagon

c. heptagon

d. pentagon

Question 12 of 20

13. Find the number of sides of a regular polygon whose each exterior angle has a measure of 45°.

a. 8

b. 6

c. 3

d. 4

Question 13 of 20

14. The paper is a model for a ___________.

a. plane surface

b. circle

c. border

d. Point

Question 14 of 20

15. The ________ of a rhombus are perpendicular bisectors of one another.

a. none of these

b. angles

c. sides

d. diagonals

Question 15 of 20

16. In Given parallelogram, find the value of the unknown x.

a. none of these

b. 150°

c. 130°

d. 180°

Question 16 of 20

17. If ABCD is a parallelogram, find the value of the unknown y.

a. 50°

b. 130°

c. 150°

d. 180°

Question 17 of 20

18. If Given fiqure is a parallelogram, find the value of the unknown z.

a. 180°

b. 116°

c. 130°

d. 150°

Question 18 of 20

19. RICE is a rhombus. Find x.

a. 10

b. 5

c. 13

d. 12

Question 19 of 20

20. RICE is a rhombus. Find y.

a. 10

b. 5

c. 13

d. 12

Question 20 of 20