EduSahara™ Worksheet

Question 1

1.

Three angles of quadrilateral measure 147.8°, 81.79° and 32.2° respectively. Find the measure of the fourth angle

(i)

100.21°
(ii)

99.21°
(iii)

96.21°
(iv)

97.21°
(v)

98.21°

Question 2

2.

Identify the figure below

(i)

nonagon
(ii)

hexagon
(iii)

circle
(iv)

pentagon
(v)

octagon

Question 3

3.

Sum of the interior angles in a nonagon is

(i)

1290°
(ii)

1265°
(iii)

1260°
(iv)

1275°
(v)

1270°

Question 4

4.

How many diagonals does a triangle have?

(i)

0
(ii)

3
(iii)

1
(iv)

4
(v)

2

Question 5

5.

Identify the figure below

(i)

nonagon
(ii)

triangle
(iii)

angle
(iv)

heptagon
(v)

decagon

Question 6

6.

Identify the figure below

(i)

triangle
(ii)

trapezium
(iii)

circle
(iv)

kite
(v)

rectangle

Question 7

7.

How many diagonals does a decagon have?

(i)

35
(ii)

36
(iii)

37
(iv)

34
(v)

33

Question 8

8.

Identify the figure below

(i)

pentagon
(ii)

decagon
(iii)

angle
(iv)

nonagon
(v)

hexagon

Question 9

9.

In the given two equilateral triangles, find ∠I + ∠K + ∠M + ∠J + ∠L + ∠N .

(i)

358°
(ii)

359°
(iii)

361°
(iv)

362°
(v)

360°

Question 10

10.

Sum of the interior angles in a decagon is

(i)

1450°
(ii)

1455°
(iii)

1445°
(iv)

1470°
(v)

1440°

Question 11

11.

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

(i)

90°+ (exterior angle)
(ii)

180°- (exterior angle)
(iii)

360°- (exterior angle)
(iv)

180°+ (exterior angle)

Question 12

12.

How many diagonals does a heptagon have?

(i)

14
(ii)

12
(iii)

17
(iv)

13
(v)

15

Question 13

13.

Sum of the interior angles in a heptagon is

(i)

905°
(ii)

910°
(iii)

930°
(iv)

915°
(v)

900°

Question 14

14.

Identify the figure below

(i)

rhombus
(ii)

circle
(iii)

rectangle
(iv)

kite
(v)

square

Question 15

15.

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

(i)

360°- (interior angle)
(ii)

180°+ (interior angle)
(iii)

180°- (interior angle)
(iv)

90°+ (interior angle)

Question 16

16.

How many diagonals does a nonagon have?

(i)

24
(ii)

28
(iii)

26
(iv)

30
(v)

27

Question 17

17.

Identify the figure below

(i)

angle
(ii)

square
(iii)

trapezium
(iv)

rectangle
(v)

triangle

Question 18

18.

Sum of the interior angles in an octagon is

(i)

1085°
(ii)

1095°
(iii)

1090°
(iv)

1080°
(v)

1110°

Question 19

19.

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

(i)

[
(2n - 4) x 180
n
] °
(ii)

[
(2n - 4) x 90
n
] °
(iii)

(
n
360
) °
(iv)

(
360
n
) °

Question 20

20.

How many diagonals does a quadrilateral have?

(i)

4
(ii)

2
(iii)

1
(iv)

3
(v)

0

Question 21

21.

Identify the figure below

(i)

hexagon
(ii)

decagon
(iii)

pentagon
(iv)

triangle
(v)

nonagon

Question 22

22.

Identify the figure below

(i)

triangle
(ii)

heptagon
(iii)

pentagon
(iv)

decagon
(v)

quadrilateral

Question 23

23.

Which of the following figures is a regular quadrilateral?

(i)

trapezium
(ii)

square
(iii)

parallelogram
(iv)

rectangle
(v)

rhombus

Question 24

24.

Identify the figure below

(i)

trapezium
(ii)

kite
(iii)

parallelogram
(iv)

angle
(v)

triangle

Question 25

25.

How many diagonals does a hexagon have?

(i)

8
(ii)

6
(iii)

12
(iv)

9
(v)

10

Assignment Key