EduSahara™ Worksheet

Question 1

1.

Identify the figure below

(i)

pentagon
(ii)

nonagon
(iii)

decagon
(iv)

heptagon
(v)

octagon

Question 2

2.

A polygon with 3 sides is called a

(i)

hexagon
(ii)

pentagon
(iii)

triangle
(iv)

octagon
(v)

decagon

Question 3

3.

How many sides does a nonagon have?

(i)

9
(ii)

12
(iii)

6
(iv)

8
(v)

10

Question 4

4.

A polygon with 4 sides is called a

(i)

octagon
(ii)

hexagon
(iii)

nonagon
(iv)

decagon
(v)

quadrilateral

Question 5

5.

How many diagonals does a nonagon have?

(i)

27
(ii)

26
(iii)

29
(iv)

28
(v)

25

Question 6

6.

Sum of the interior angles in a triangle is

(i)

185°
(ii)

180°
(iii)

190°
(iv)

195°
(v)

210°

Question 7

7.

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

(i)

180°+ (interior angle)
(ii)

180°- (interior angle)
(iii)

360°- (interior angle)
(iv)

90°+ (interior angle)

Question 8

8.

Sum of the interior angles in a pentagon is

(i)

570°
(ii)

555°
(iii)

550°
(iv)

540°
(v)

545°

Question 9

9.

A polygon with 5 sides is called a

(i)

pentagon
(ii)

triangle
(iii)

quadrilateral
(iv)

hexagon
(v)

heptagon

Question 10

10.

How many sides does a heptagon have?

(i)

10
(ii)

8
(iii)

7
(iv)

6
(v)

5

Question 11

11.

How many sides does a triangle have?

(i)

6
(ii)

3
(iii)

4
(iv)

1
(v)

2

Question 12

12.

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

(i)

[
(2n - 4) x 180
n
] °
(ii)

(
n
360
) °
(iii)

[
(2n - 4) x 90
n
] °
(iv)

(
360
n
) °

Question 13

13.

How many sides does a hexagon have?

(i)

4
(ii)

8
(iii)

5
(iv)

7
(v)

6

Question 14

14.

How many diagonals does a quadrilateral have?

(i)

1
(ii)

2
(iii)

3
(iv)

4
(v)

0

Question 15

15.

Identify the figure below

(i)

hexagon
(ii)

heptagon
(iii)

angle
(iv)

pentagon
(v)

circle

Question 16

16.

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

(i)

(
360
n
) °
(ii)

[
(2n - 4) x 90
n
] °
(iii)

(
n
360
) °
(iv)

[
(2n - 4) x 180
n
] °

Question 17

17.

Sum of the interior angles in a hexagon is

(i)

735°
(ii)

725°
(iii)

720°
(iv)

730°
(v)

750°

Question 18

18.

How many diagonals does a hexagon have?

(i)

12
(ii)

8
(iii)

6
(iv)

10
(v)

9

Question 19

19.

How many diagonals does an octagon have?

(i)

18
(ii)

23
(iii)

20
(iv)

19
(v)

21

Question 20

20.

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

(i)

11
(ii)

13
(iii)

10
(iv)

8
(v)

9

Question 21

21.

A polygon with 9 sides is called a

(i)

quadrilateral
(ii)

decagon
(iii)

hexagon
(iv)

nonagon
(v)

octagon

Question 22

22.

A polygon with 10 sides is called a

(i)

decagon
(ii)

pentagon
(iii)

triangle
(iv)

hexagon
(v)

octagon

Question 23

23.

Identify the figure below

(i)

quadrilateral
(ii)

heptagon
(iii)

angle
(iv)

triangle
(v)

nonagon

Question 24

24.

Sum of the interior angles in a heptagon is

(i)

910°
(ii)

905°
(iii)

930°
(iv)

900°
(v)

915°

Question 25

25.

Identify the figure below

(i)

pentagon
(ii)

angle
(iii)

nonagon
(iv)

quadrilateral
(v)

decagon

Assignment Key