EduSahara™ Worksheet

EduSahara™ Worksheet

Name : Chapter Based Worksheet

Chapter : Polygons

Grade : ICSE Grade VII

License : Non Commercial Use

Question 1

1.

A polygon with 10 sides is called a

(i)

decagon
(ii)

pentagon
(iii)

nonagon
(iv)

octagon
(v)

triangle

Question 2

2.

Identify the figure below

(i)

hexagon
(ii)

pentagon
(iii)

angle
(iv)

circle
(v)

quadrilateral

Question 3

3.

Identify the figure below

(i)

angle
(ii)

octagon
(iii)

decagon
(iv)

hexagon
(v)

quadrilateral

Question 4

4.

How many diagonals does a nonagon have?

(i)

27
(ii)

24
(iii)

29
(iv)

28
(v)

26

Question 5

5.

Find the number of sides in a regular polygon if each
exterior
angle is
5°

(i)

74
(ii)

73
(iii)

69
(iv)

72
(v)

71

Question 6

6.

How many diagonals does a pentagon have?

(i)

8
(ii)

5
(iii)

6
(iv)

4
(v)

3

Question 7

7.

How many diagonals does a quadrilateral have?

(i)

1
(ii)

4
(iii)

0
(iv)

3
(v)

2

Question 8

8.

Sum of the interior angles in a nonagon is

(i)

1290°
(ii)

1270°
(iii)

1265°
(iv)

1275°
(v)

1260°

Question 9

9.

How many sides does a pentagon have?

(i)

6
(ii)

2
(iii)

8
(iv)

4
(v)

5

Question 10

10.

How many sides does a triangle have?

(i)

3
(ii)

6
(iii)

1
(iv)

2
(v)

4

Question 11

11.

The number of diagonals in a regular polygon with n sides is

(i)

(

n

) (

n

+

2

)

2
(ii)

(

n

) (

n

−

3

)

2
(iii)

(

n

) (

n

−

1

)

2
(iv)

(

n

) (

n

−

2

)

2
(v)

(

n

) (

n

+

3

)

2

Question 12

12.

The value of each interior angle in an n-sided regular polygon is

(i)

(
n
360
) °
(ii)

[
(2n - 4) x 90
n
] °
(iii)

(
360
n
) °
(iv)

[
(2n - 4) x 180
n
] °

Question 13

13.

Identify the figure below

(i)

circle
(ii)

heptagon
(iii)

triangle
(iv)

pentagon
(v)

decagon

Question 14

14.

Identify the figure below

(i)

quadrilateral
(ii)

octagon
(iii)

circle
(iv)

heptagon
(v)

nonagon

Question 15

15.

How many sides does a heptagon have?

(i)

8
(ii)

4
(iii)

9
(iv)

6
(v)

7

Question 16

16.

Sum of the interior angles in a pentagon is

(i)

570°
(ii)

545°
(iii)

540°
(iv)

555°
(v)

550°

Question 17

17.

Sum of the interior angles in an octagon is

(i)

1095°
(ii)

1080°
(iii)

1110°
(iv)

1090°
(v)

1085°

Question 18

18.

Sum of the interior angles in a quadrilateral is

(i)

360°
(ii)

365°
(iii)

375°
(iv)

370°
(v)

390°

Question 19

19.

The value of the exterior angle in a regular polygon when the interior angle is given

(i)

360°- (interior angle)
(ii)

180°- (interior angle)
(iii)

90°+ (interior angle)
(iv)

180°+ (interior angle)

Question 20

20.

A polygon with 3 sides is called a

(i)

heptagon
(ii)

octagon
(iii)

quadrilateral
(iv)

decagon
(v)

triangle

Question 21

21.

How many sides does an octagon have?

(i)

9
(ii)

6
(iii)

11
(iv)

8
(v)

7

Question 22

22.

Identify the figure below

(i)

octagon
(ii)

triangle
(iii)

pentagon
(iv)

decagon
(v)

nonagon

Question 23

23.

A polygon with 4 sides is called a

(i)

heptagon
(ii)

octagon
(iii)

nonagon
(iv)

hexagon
(v)

quadrilateral

Question 24

24.

How many diagonals does an octagon have?

(i)

22
(ii)

19
(iii)

17
(iv)

21
(v)

20

Question 25

25.

Identify the figure below

(i)

nonagon
(ii)

decagon
(iii)

pentagon
(iv)

circle
(v)

angle

Assignment Key