EduSahara™ Worksheet

Question 1

1.

Which of the following figures is a regular quadrilateral?

(i)

trapezium
(ii)

rectangle
(iii)

square
(iv)

parallelogram
(v)

rhombus

Question 2

2.

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

(i)

(
n
360
) °
(ii)

(
360
n
) °
(iii)

[
(2n - 4) x 90
n
] °
(iv)

[
(2n - 4) x 180
n
] °

Question 3

3.

How many sides does a pentagon have?

(i)

2
(ii)

8
(iii)

6
(iv)

4
(v)

5

Question 4

4.

Identify the figure below

(i)

circle
(ii)

decagon
(iii)

hexagon
(iv)

angle
(v)

pentagon

Question 5

5.

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

+

2

)

2
(iv)

(

n

) (

n

−

3

)

2
(v)

(

n

) (

n

−

1

)

2

Question 6

6.

How many diagonals does a quadrilateral have?

(i)

2
(ii)

4
(iii)

3
(iv)

1
(v)

0

Question 7

7.

Identify the figure below

(i)

circle
(ii)

triangle
(iii)

quadrilateral
(iv)

heptagon
(v)

nonagon

Question 8

8.

A polygon with 5 sides is called a

(i)

nonagon
(ii)

octagon
(iii)

hexagon
(iv)

triangle
(v)

pentagon

Question 9

9.

A polygon with 8 sides is called an

(i)

triangle
(ii)

heptagon
(iii)

quadrilateral
(iv)

nonagon
(v)

octagon

Question 10

10.

How many diagonals does an octagon have?

(i)

20
(ii)

21
(iii)

22
(iv)

19
(v)

17

Question 11

11.

Find the number of sides in a regular polygon if each
exterior
angle is
24°

(i)

18
(ii)

16
(iii)

15
(iv)

13
(v)

14

Question 12

12.

How many sides does an octagon have?

(i)

7
(ii)

8
(iii)

6
(iv)

9
(v)

11

Question 13

13.

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)

180°- (interior angle)
(iv)

360°- (interior angle)

Question 14

14.

How many sides does a heptagon have?

(i)

9
(ii)

4
(iii)

6
(iv)

8
(v)

7

Question 15

15.

How many sides does a triangle have?

(i)

2
(ii)

0
(iii)

5
(iv)

4
(v)

3

Question 16

16.

Sum of the interior angles in a pentagon is

(i)

540°
(ii)

570°
(iii)

555°
(iv)

545°
(v)

550°

Question 17

17.

Identify the figure below

(i)

triangle
(ii)

hexagon
(iii)

heptagon
(iv)

pentagon
(v)

octagon

Question 18

18.

Identify the figure below

(i)

heptagon
(ii)

pentagon
(iii)

circle
(iv)

nonagon
(v)

decagon

Question 19

19.

How many diagonals does a decagon have?

(i)

34
(ii)

32
(iii)

37
(iv)

36
(v)

35

Question 20

20.

A polygon with 4 sides is called a

(i)

quadrilateral
(ii)

pentagon
(iii)

decagon
(iv)

octagon
(v)

triangle

Question 21

21.

Sum of the interior angles in a quadrilateral is

(i)

365°
(ii)

360°
(iii)

370°
(iv)

390°
(v)

375°

Question 22

22.

A polygon with 6 sides is called a

(i)

pentagon
(ii)

triangle
(iii)

octagon
(iv)

hexagon
(v)

decagon

Question 23

23.

Sum of the interior angles in a heptagon is

(i)

910°
(ii)

930°
(iii)

915°
(iv)

900°
(v)

905°

Question 24

24.

Identify the figure below

(i)

pentagon
(ii)

circle
(iii)

hexagon
(iv)

heptagon
(v)

octagon

Question 25

25.

How many diagonals does a nonagon have?

(i)

24
(ii)

26
(iii)

29
(iv)

28
(v)

27

Assignment Key