EduSahara™ Worksheet

Question 1

1.

A polygon with 6 sides is called a

(i)

decagon
(ii)

heptagon
(iii)

hexagon
(iv)

quadrilateral
(v)

pentagon

Question 2

2.

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

(i)

(
360
n
) °
(ii)

(
n
360
) °
(iii)

[
(2n - 4) x 180
n
] °
(iv)

[
(2n - 4) x 90
n
] °

Question 3

3.

Identify the figure below

(i)

octagon
(ii)

decagon
(iii)

heptagon
(iv)

circle
(v)

hexagon

Question 4

4.

Sum of the interior angles in an octagon is

(i)

1090°
(ii)

1085°
(iii)

1080°
(iv)

1110°
(v)

1095°

Question 5

5.

Sum of the interior angles in a decagon is

(i)

1445°
(ii)

1440°
(iii)

1470°
(iv)

1450°
(v)

1455°

Question 6

6.

Sum of the interior angles in a triangle is

(i)

190°
(ii)

210°
(iii)

195°
(iv)

180°
(v)

185°

Question 7

7.

Identify the figure below

(i)

angle
(ii)

triangle
(iii)

pentagon
(iv)

hexagon
(v)

nonagon

Question 8

8.

Sum of the interior angles in a nonagon is

(i)

1290°
(ii)

1260°
(iii)

1275°
(iv)

1265°
(v)

1270°

Question 9

9.

Sum of the interior angles in a pentagon is

(i)

550°
(ii)

570°
(iii)

545°
(iv)

555°
(v)

540°

Question 10

10.

How many sides does a nonagon have?

(i)

8
(ii)

12
(iii)

6
(iv)

10
(v)

9

Question 11

11.

A polygon with 8 sides is called an

(i)

octagon
(ii)

heptagon
(iii)

triangle
(iv)

quadrilateral
(v)

hexagon

Question 12

12.

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

(i)

90°+ (interior angle)
(ii)

180°- (interior angle)
(iii)

180°+ (interior angle)
(iv)

360°- (interior angle)

Question 13

13.

How many sides does a decagon have?

(i)

7
(ii)

10
(iii)

11
(iv)

13
(v)

9

Question 14

14.

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

(i)

360°- (exterior angle)
(ii)

180°+ (exterior angle)
(iii)

90°+ (exterior angle)
(iv)

180°- (exterior angle)

Question 15

15.

Identify the figure below

(i)

nonagon
(ii)

pentagon
(iii)

octagon
(iv)

angle
(v)

heptagon

Question 16

16.

How many diagonals does a triangle have?

(i)

4
(ii)

0
(iii)

3
(iv)

2
(v)

1

Question 17

17.

How many sides does a pentagon have?

(i)

3
(ii)

5
(iii)

6
(iv)

8
(v)

4

Question 18

18.

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

(i)

[
(2n - 4) x 180
n
] °
(ii)

(
360
n
) °
(iii)

[
(2n - 4) x 90
n
] °
(iv)

(
n
360
) °

Question 19

19.

How many sides does a heptagon have?

(i)

6
(ii)

8
(iii)

5
(iv)

10
(v)

7

Question 20

20.

How many diagonals does a decagon have?

(i)

35
(ii)

36
(iii)

37
(iv)

34
(v)

32

Question 21

21.

Identify the figure below

(i)

circle
(ii)

hexagon
(iii)

heptagon
(iv)

pentagon
(v)

nonagon

Question 22

22.

Sum of the interior angles in a heptagon is

(i)

905°
(ii)

910°
(iii)

915°
(iv)

930°
(v)

900°

Question 23

23.

How many sides does a triangle have?

(i)

4
(ii)

3
(iii)

5
(iv)

0
(v)

2

Question 24

24.

Identify the figure below

(i)

nonagon
(ii)

quadrilateral
(iii)

angle
(iv)

decagon
(v)

pentagon

Question 25

25.

How many diagonals does an octagon have?

(i)

23
(ii)

19
(iii)

20
(iv)

21
(v)

17

Assignment Key