EduSahara™ Worksheet

EduSahara™ Worksheet

Name : Chapter Based Worksheet

Chapter : Polygons

Grade : ICSE Grade VII

License : Non Commercial Use

Question 1

1.

Identify the figure below

(i)

nonagon
(ii)

circle
(iii)

pentagon
(iv)

octagon
(v)

decagon

Question 2

2.

Identify the figure below

(i)

nonagon
(ii)

heptagon
(iii)

quadrilateral
(iv)

angle
(v)

decagon

Question 3

3.

Identify the figure below

(i)

quadrilateral
(ii)

heptagon
(iii)

triangle
(iv)

pentagon
(v)

decagon

Question 4

4.

Identify the figure below

(i)

octagon
(ii)

nonagon
(iii)

circle
(iv)

decagon
(v)

pentagon

Question 5

5.

Sum of the interior angles in a triangle is

(i)

210°
(ii)

195°
(iii)

185°
(iv)

180°
(v)

190°

Question 6

6.

How many diagonals does a quadrilateral have?

(i)

2
(ii)

0
(iii)

1
(iv)

3
(v)

4

Question 7

7.

A polygon with 10 sides is called a

(i)

hexagon
(ii)

decagon
(iii)

pentagon
(iv)

nonagon
(v)

quadrilateral

Question 8

8.

Sum of the interior angles in a hexagon is

(i)

720°
(ii)

725°
(iii)

750°
(iv)

730°
(v)

735°

Question 9

9.

How many sides does a triangle have?

(i)

2
(ii)

4
(iii)

3
(iv)

6
(v)

1

Question 10

10.

A polygon with 8 sides is called an

(i)

octagon
(ii)

decagon
(iii)

quadrilateral
(iv)

heptagon
(v)

nonagon

Question 11

11.

Sum of the interior angles in a heptagon is

(i)

905°
(ii)

910°
(iii)

930°
(iv)

900°
(v)

915°

Question 12

12.

A polygon with 9 sides is called a

(i)

nonagon
(ii)

octagon
(iii)

triangle
(iv)

decagon
(v)

hexagon

Question 13

13.

How many diagonals does an octagon have?

(i)

17
(ii)

20
(iii)

23
(iv)

21
(v)

19

Question 14

14.

A polygon with 4 sides is called a

(i)

decagon
(ii)

heptagon
(iii)

pentagon
(iv)

quadrilateral
(v)

nonagon

Question 15

15.

Find the number of sides in a regular polygon if each
exterior
angle is
30°

(i)

12
(ii)

13
(iii)

11
(iv)

14
(v)

9

Question 16

16.

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

(i)

180°+ (interior angle)
(ii)

360°- (interior angle)
(iii)

90°+ (interior angle)
(iv)

180°- (interior angle)

Question 17

17.

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

(i)

(
n
360
) °
(ii)

[
(2n - 4) x 180
n
] °
(iii)

[
(2n - 4) x 90
n
] °
(iv)

(
360
n
) °

Question 18

18.

A polygon with 5 sides is called a

(i)

decagon
(ii)

pentagon
(iii)

hexagon
(iv)

octagon
(v)

quadrilateral

Question 19

19.

Identify the figure below

(i)

heptagon
(ii)

hexagon
(iii)

decagon
(iv)

octagon
(v)

angle

Question 20

20.

How many diagonals does a triangle have?

(i)

1
(ii)

4
(iii)

2
(iv)

3
(v)

0

Question 21

21.

A polygon with 7 sides is called a

(i)

pentagon
(ii)

hexagon
(iii)

heptagon
(iv)

octagon
(v)

nonagon

Question 22

22.

How many sides does a nonagon have?

(i)

12
(ii)

8
(iii)

7
(iv)

9
(v)

10

Question 23

23.

Identify the figure below

(i)

decagon
(ii)

hexagon
(iii)

angle
(iv)

quadrilateral
(v)

nonagon

Question 24

24.

A polygon with 3 sides is called a

(i)

nonagon
(ii)

hexagon
(iii)

decagon
(iv)

triangle
(v)

octagon

Question 25

25.

Sum of the interior angles in a nonagon is

(i)

1275°
(ii)

1270°
(iii)

1260°
(iv)

1265°
(v)

1290°

Assignment Key