EduSahara™ Worksheet

EduSahara™ Worksheet

Name : Chapter Based Worksheet

Chapter : Polygons

Grade : ICSE Grade VIII

License : Non Commercial Use

Question 1

1.

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 2

2.

How many diagonals does a nonagon have?

(i)

27
(ii)

26
(iii)

29
(iv)

28
(v)

24

Question 3

3.

How many sides does a hexagon have?

(i)

8
(ii)

7
(iii)

6
(iv)

5
(v)

4

Question 4

4.

How many diagonals does a pentagon have?

(i)

7
(ii)

4
(iii)

5
(iv)

2
(v)

6

Question 5

5.

How many diagonals does an octagon have?

(i)

18
(ii)

21
(iii)

19
(iv)

22
(v)

20

Question 6

6.

How many diagonals does a hexagon have?

(i)

8
(ii)

10
(iii)

7
(iv)

11
(v)

9

Question 7

7.

Identify the figure below

(i)

angle
(ii)

quadrilateral
(iii)

hexagon
(iv)

circle
(v)

pentagon

Question 8

8.

A polygon with 10 sides is called a

(i)

decagon
(ii)

hexagon
(iii)

heptagon
(iv)

triangle
(v)

pentagon

Question 9

9.

How many sides does a triangle have?

(i)

4
(ii)

1
(iii)

3
(iv)

2
(v)

6

Question 10

10.

Identify the figure below

(i)

angle
(ii)

heptagon
(iii)

pentagon
(iv)

hexagon
(v)

triangle

Question 11

11.

Identify the figure below

(i)

angle
(ii)

triangle
(iii)

quadrilateral
(iv)

octagon
(v)

hexagon

Question 12

12.

Sum of the interior angles in a triangle is

(i)

190°
(ii)

195°
(iii)

185°
(iv)

210°
(v)

180°

Question 13

13.

Sum of the interior angles in a pentagon is

(i)

540°
(ii)

570°
(iii)

550°
(iv)

555°
(v)

545°

Question 14

14.

Sum of the interior angles in a heptagon is

(i)

910°
(ii)

915°
(iii)

905°
(iv)

930°
(v)

900°

Question 15

15.

Sum of the interior angles in a hexagon is

(i)

730°
(ii)

750°
(iii)

720°
(iv)

735°
(v)

725°

Question 16

16.

How many diagonals does a heptagon have?

(i)

13
(ii)

16
(iii)

14
(iv)

15
(v)

11

Question 17

17.

A polygon with 9 sides is called a

(i)

quadrilateral
(ii)

pentagon
(iii)

hexagon
(iv)

heptagon
(v)

nonagon

Question 18

18.

How many diagonals does a triangle have?

(i)

1
(ii)

2
(iii)

4
(iv)

0
(v)

3

Question 19

19.

A polygon with 3 sides is called a

(i)

hexagon
(ii)

heptagon
(iii)

quadrilateral
(iv)

triangle
(v)

decagon

Question 20

20.

Sum of the interior angles in a quadrilateral is

(i)

390°
(ii)

375°
(iii)

370°
(iv)

360°
(v)

365°

Question 21

21.

A polygon with 8 sides is called an

(i)

triangle
(ii)

quadrilateral
(iii)

nonagon
(iv)

octagon
(v)

heptagon

Question 22

22.

How many sides does a pentagon have?

(i)

8
(ii)

3
(iii)

5
(iv)

6
(v)

4

Question 23

23.

How many sides does a quadrilateral have?

(i)

2
(ii)

5
(iii)

4
(iv)

3
(v)

6

Question 24

24.

A polygon with 5 sides is called a

(i)

decagon
(ii)

pentagon
(iii)

quadrilateral
(iv)

nonagon
(v)

triangle

Question 25

25.

How many sides does an octagon have?

(i)

9
(ii)

8
(iii)

7
(iv)

10
(v)

5

Assignment Key