EduSahara™ Worksheet

EduSahara™ Worksheet

Name : Chapter Based Worksheet

Chapter : Polygons

Grade : ICSE Grade VII

License : Non Commercial Use

Question 1

1.

Sum of the interior angles in a quadrilateral is

(i)

360°
(ii)

365°
(iii)

370°
(iv)

390°
(v)

375°

Question 2

2.

A polygon with 6 sides is called a

(i)

pentagon
(ii)

hexagon
(iii)

heptagon
(iv)

nonagon
(v)

triangle

Question 3

3.

How many diagonals does a pentagon have?

(i)

5
(ii)

6
(iii)

2
(iv)

4
(v)

7

Question 4

4.

Sum of the interior angles in a decagon is

(i)

1470°
(ii)

1455°
(iii)

1445°
(iv)

1440°
(v)

1450°

Question 5

5.

Sum of the interior angles in a nonagon is

(i)

1275°
(ii)

1260°
(iii)

1270°
(iv)

1265°
(v)

1290°

Question 6

6.

Sum of the interior angles in a hexagon is

(i)

735°
(ii)

730°
(iii)

750°
(iv)

725°
(v)

720°

Question 7

7.

A polygon with 8 sides is called an

(i)

nonagon
(ii)

hexagon
(iii)

pentagon
(iv)

octagon
(v)

decagon

Question 8

8.

How many sides does a triangle have?

(i)

6
(ii)

2
(iii)

4
(iv)

3
(v)

1

Question 9

9.

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

(i)

[
(2n - 4) x 90
n
] °
(ii)

[
(2n - 4) x 180
n
] °
(iii)

(
360
n
) °
(iv)

(
n
360
) °

Question 10

10.

Sum of the interior angles in a triangle is

(i)

190°
(ii)

195°
(iii)

180°
(iv)

185°
(v)

210°

Question 11

11.

A polygon with 3 sides is called a

(i)

pentagon
(ii)

nonagon
(iii)

triangle
(iv)

octagon
(v)

quadrilateral

Question 12

12.

Identify the figure below

(i)

octagon
(ii)

heptagon
(iii)

circle
(iv)

angle
(v)

triangle

Question 13

13.

Find the number of sides in a regular polygon if each
exterior
angle is
20°

(i)

18
(ii)

15
(iii)

21
(iv)

17
(v)

19

Question 14

14.

How many diagonals does a quadrilateral have?

(i)

1
(ii)

0
(iii)

4
(iv)

2
(v)

3

Question 15

15.

A polygon with 10 sides is called a

(i)

decagon
(ii)

hexagon
(iii)

nonagon
(iv)

quadrilateral
(v)

pentagon

Question 16

16.

Identify the figure below

(i)

triangle
(ii)

nonagon
(iii)

angle
(iv)

octagon
(v)

hexagon

Question 17

17.

How many diagonals does a heptagon have?

(i)

13
(ii)

16
(iii)

14
(iv)

15
(v)

11

Question 18

18.

A polygon with 5 sides is called a

(i)

nonagon
(ii)

pentagon
(iii)

triangle
(iv)

decagon
(v)

octagon

Question 19

19.

Find the number of sides in a regular polygon if each
interior
angle is
172°

(i)

48
(ii)

46
(iii)

45
(iv)

42
(v)

44

Question 20

20.

How many sides does a hexagon have?

(i)

6
(ii)

4
(iii)

7
(iv)

5
(v)

8

Question 21

21.

A polygon with 9 sides is called a

(i)

decagon
(ii)

pentagon
(iii)

quadrilateral
(iv)

octagon
(v)

nonagon

Question 22

22.

How many sides does a decagon have?

(i)

7
(ii)

10
(iii)

9
(iv)

11
(v)

13

Question 23

23.

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

(i)

(
n
360
) °
(ii)

[
(2n - 4) x 180
n
] °
(iii)

(
360
n
) °
(iv)

[
(2n - 4) x 90
n
] °

Question 24

24.

Identify the figure below

(i)

decagon
(ii)

heptagon
(iii)

pentagon
(iv)

octagon
(v)

circle

Question 25

25.

Identify the figure below

(i)

triangle
(ii)

quadrilateral
(iii)

angle
(iv)

pentagon
(v)

octagon

Assignment Key