# Understanding Quadrilaterals – Chapter 3

CBSE CLASS 8 MATHEMATICS
MCQ – Understanding Quadrilaterals – Chapter3

1. When you join a number of points without lifting a pencil from the paper, you get a ———–
A. Plane curve
B. Simple curve
C. Closed curve

2. A simple closed curve made up of only line segments is called a ————–
A. Simple curve
B. Polygon
C. Diagonal

3. A polygon with 9 sides or vertices is called a ————–
A. Decagon
B. Nonagon
C. Heptagon

4. A ———– a line segment connecting two non-consecutive vertices of a polygon.
A. Diagonal
B. Chord
C. Edge

5. The sum of the measures of the three angles of a triangle is ————
A. 180
B. 270
C. 360

6. The sum of the measures of the four angles of a quadrilateral is ——–
A. 180
B. 270
C. 360

7. The number of diagonals in a convex quadrilateral is ————–
A. One
B. Two
C. Three

8. The number of diagonals in a regular hexagon is ————-
A. Eight
B. Nine
C. Ten

9. The number of diagonals in a triangle is —————
A. Zero
B. One
C. Two

10. The sum of the measures of the external angles of any polygon is ————-
A. 180
B. 270
C. 360

11. The number of sides of a regular polygon whose each exterior angle has a measure of 45 degree is —————
A. 6
B. 8
C. 10

12. A quadrilateral with a pair of parallel sides is ———-
A. Trapezium
B. Square
C. Rectangle

13. A quadrilateral with two distinct consecutive pairs of sides of equal length is called ————–
A. Trapezium
B. Kite
C. Parallelogram

14. A quadrilateral whose opposite sides are parallel is —————
A. Trapezium
B. Kite
C. Parallelogram

15. The adjacent angles in a parallelogram are ————
A. Complementary
B. Supplementary
C. Right angle

16. The opposite sides of a parallelogram are of ——- length.
A. equal
B. different
C. Greater

17. All the quadrilaterals that have four sides of equal length is ————–
A. Rhombus, Square
B. Parallelogram, Kite
C. Rectangle, Trapezium

18. All the quadrilaterals that have four right angles are —————
A. Parallelogram, Kite
B. Square, Rectangle
C. Rhombus, Trapezium

19. Name the quadrilaterals whose diagonals are perpendicular bisectors of each other.
A. Rhombus, Square
B. Parallelogram, Kite
C. Trapezium, Rectangle

20. Name the quadrilaterals whose diagonals are equal.
A. Square, Rectangle
B. Trapezium, Kite
C. Parallelogram, Rhombus

1. Plane curve
2. Polygon
3. Nonagon
4. Diagonal
5. 180
6. 360
7. Two
8. Nine
9. Zero
10. 360
11. 8 sides
(Explanation: Total measure of all exterior angles = 360
Measure of each exterior angle = 45
Number of exterior angles = 360/45 = 8 sides)
12. Trapezium
13. Kite
14. Parallelogram
15. Supplementary
16. Equal
17. Rhombus, Square
18. Square, Rectangle
19. Rhombus, Square
20. Square, Rectangle.