EduSahara™ Worksheet

Question 1

1.

Identify the figure below

(i)

hexagon
(ii)

circle
(iii)

triangle
(iv)

heptagon
(v)

pentagon

Question 2

2.

Identify the figure below

(i)

angle
(ii)

triangle
(iii)

square
(iv)

kite
(v)

trapezium

Question 3

3.

Identify the figure below

(i)

decagon
(ii)

heptagon
(iii)

pentagon
(iv)

triangle
(v)

angle

Question 4

4.

Identify the figure below

(i)

nonagon
(ii)

hexagon
(iii)

angle
(iv)

triangle
(v)

decagon

Question 5

5.

Identify the figure below

(i)

angle
(ii)

quadrilateral
(iii)

triangle
(iv)

circle
(v)

heptagon

Question 6

6.

Identify the figure below

(i)

octagon
(ii)

circle
(iii)

nonagon
(iv)

triangle
(v)

hexagon

Question 7

7.

Identify the figure below

(i)

pentagon
(ii)

nonagon
(iii)

quadrilateral
(iv)

heptagon
(v)

octagon

Question 8

8.

Identify the figure below

(i)

heptagon
(ii)

decagon
(iii)

pentagon
(iv)

octagon
(v)

nonagon

Question 9

9.

Which of the following figures is a regular quadrilateral?

(i)

trapezium
(ii)

rectangle
(iii)

square
(iv)

rhombus
(v)

parallelogram

Question 10

10.

Sum of the interior angles in a triangle is

(i)

180°
(ii)

185°
(iii)

210°
(iv)

190°
(v)

195°

Question 11

11.

Sum of the interior angles in a quadrilateral is

(i)

365°
(ii)

360°
(iii)

375°
(iv)

390°
(v)

370°

Question 12

12.

Sum of the interior angles in a pentagon is

(i)

545°
(ii)

555°
(iii)

570°
(iv)

550°
(v)

540°

Question 13

13.

Sum of the interior angles in a hexagon is

(i)

730°
(ii)

750°
(iii)

720°
(iv)

725°
(v)

735°

Question 14

14.

Sum of the interior angles in a heptagon is

(i)

905°
(ii)

900°
(iii)

915°
(iv)

930°
(v)

910°

Question 15

15.

Sum of the interior angles in an octagon is

(i)

1110°
(ii)

1090°
(iii)

1080°
(iv)

1085°
(v)

1095°

Question 16

16.

Sum of the interior angles in a nonagon is

(i)

1265°
(ii)

1270°
(iii)

1260°
(iv)

1275°
(v)

1290°

Question 17

17.

Sum of the interior angles in a decagon is

(i)

1450°
(ii)

1440°
(iii)

1455°
(iv)

1470°
(v)

1445°

Question 18

18.

How many diagonals does a triangle have?

(i)

3
(ii)

0
(iii)

4
(iv)

2
(v)

1

Question 19

19.

How many diagonals does a quadrilateral have?

(i)

4
(ii)

1
(iii)

3
(iv)

0
(v)

2

Question 20

20.

How many diagonals does a pentagon have?

(i)

4
(ii)

5
(iii)

8
(iv)

2
(v)

6

Question 21

21.

How many diagonals does a hexagon have?

(i)

11
(ii)

10
(iii)

8
(iv)

7
(v)

9

Question 22

22.

How many diagonals does a heptagon have?

(i)

15
(ii)

13
(iii)

12
(iv)

14
(v)

16

Question 23

23.

How many diagonals does an octagon have?

(i)

19
(ii)

20
(iii)

22
(iv)

21
(v)

17

Question 24

24.

How many diagonals does a nonagon have?

(i)

28
(ii)

27
(iii)

25
(iv)

26
(v)

29

Question 25

25.

How many diagonals does a decagon have?

(i)

35
(ii)

34
(iii)

36
(iv)

38
(v)

32

Question 26

26.

Find the number of sides in a regular polygon if each
interior
angle is
174°

(i)

61
(ii)

60
(iii)

63
(iv)

58
(v)

59

Question 27

27.

Find the number of sides in a regular polygon if each
exterior
angle is
36°

(i)

11
(ii)

9
(iii)

8
(iv)

10
(v)

13

Question 28

28.

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

(i)

(

n

) (

n

−

3

)

2
(ii)

(

n

) (

n

−

2

)

2
(iii)

(

n

) (

n

−

1

)

2
(iv)

(

n

) (

n

+

2

)

2
(v)

(

n

) (

n

+

3

)

2

Question 29

29.

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

(i)

(
360
n
) °
(ii)

[
(2n - 4) x 180
n
] °
(iii)

(
n
360
) °
(iv)

[
(2n - 4) x 90
n
] °

Question 30

30.

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

(i)

(
n
360
) °
(ii)

[
(2n - 4) x 90
n
] °
(iii)

[
(2n - 4) x 180
n
] °
(iv)

(
360
n
) °

Question 31

31.

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

(i)

180°+ (interior angle)
(ii)

90°+ (interior angle)
(iii)

360°- (interior angle)
(iv)

180°- (interior angle)

Question 32

32.

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

(i)

360°- (exterior angle)
(ii)

90°+ (exterior angle)
(iii)

180°- (exterior angle)
(iv)

180°+ (exterior angle)

Assignment Key