CBSE Class 8 Maths Worksheet
Understanding quadrilaterals
1.
Number of vertices in Octagon
A)
7
B)
8
C)
9
D)
10
2.
Number of vertices in decagon
A)
9
B)
10
C)
11
D)
8
3.
How many diagonals does each of the a convex quadrilateral have?
4.
State True/False: All Squares are trapeziums.
A)
true
B)
false
5.
State True/False: A square is also a trapezium, rectangle and Rhombus.
A)
true
B)
false
6.
If the measure of an exterior angles has a measure of 72 degree, then what is the number of sides of the polygon ?
7.
Number of vertices in triangle
A)
4
B)
2
C)
3
D)
5
8.
Which of the following is a formula to find the sum of interior angles of a quadrilaters of n-sides ?
A)
n/2 X 180
B)
(n+1/2) X 180
C)
(n-1/2 X 180)
D)
(n-2 X 180)
9.
ABCD is a parallelogram. If angle B 130° , then what is angle C?
A)
50 degree
B)
90 degree
C)
70 degree
D)
40 degree
10.
State True/False: All Rectangles are squares
A)
true
B)
false
11.
Fill in the blanks: The line connecting any two non- consecutive vertices is called a ________.
12.
Fill in the blanks: The Diagonal of a parallelogram bisect each other; but they are __________.
13.
State True/False: In a trapezium the angles are not equal unless it is an Isosceles trapezium.
A)
true
B)
false
14.
ABCD is a parallelogram. What is the value of x?
15.
Fill in the blanks: The adjacent angles of a parallelogram are _____________
16.
State True/False: All rhombuses are parallelograms
A)
true
B)
false
17.
State True/False: If opposite sides of a quadrilateral are parallel and equal diagonals does not bisect each other.
A)
true
B)
false
18.
Number of vertices in Heptagon
A)
7
B)
8
C)
9
D)
6
19.
Fill in the blanks: Name of a regular polygon having 6 sides is ____________ .
20.
State True/False: If all sides of a quadrilateral are equal its diagonals are parallel.
A)
true
B)
false
CBSE Class 8 Maths Worksheet
Understanding quadrilaterals
Answers
1.
Option B
2.
Option B
3.
2
4.
Option A
5.
Option A
6.
5
7.
Option C
8.
Option D
9.
Option A
10.
Option A
11.
Diagonal
12.
Not equal
13.
Option A
14.
15.
Supplementary
16.
Option A
17.
Option B
18.
Option A
19.
regular hexagon
20.
Option B
