EduSahara™ Worksheet

Question 1

1.

Which of the following are measures of an equilateral triangle ?

(i)

NO = 10 cm , OP = 11 cm , PN = 10 cm
(ii)

NO = 14 cm , OP = 15 cm , PN = 13 cm
(iii)

NO = 11 cm , OP = 11 cm , PN = 11 cm
(iv)

NO = 11 cm , OP = 11 cm , PN = 15.56 cm
(v)

NO = 15 cm , OP = 14 cm , PN = 20.52 cm

Question 2

2.

Which of the following are measures of an isosceles triangle ?

(i)

CD = 15 cm , DE = 13 cm , EC = 10 cm
(ii)

CD = 11 cm , DE = 12 cm , EC = 15 cm
(iii)

CD = 15 cm , DE = 12 cm , EC = 19.21 cm
(iv)

CD = 11 cm , DE = 11 cm , EC = 11 cm
(v)

CD = 15 cm , DE = 12 cm , EC = 15 cm

Question 3

3.

Which of the following are measures of a scalene triangle ?

(i)

LM = 13 cm , MN = 10 cm , NL = 13 cm
(ii)

LM = 12 cm , MN = 12 cm , NL = 16.97 cm
(iii)

LM = 15 cm , MN = 12 cm , NL = 15 cm
(iv)

LM = 15 cm , MN = 15 cm , NL = 15 cm
(v)

LM = 12 cm , MN = 15 cm , NL = 11 cm

Question 4

4.

Which of the following are measures of a right angled triangle ?

(i)

MN = 11 cm , NO = 10 cm , OM = 11 cm
(ii)

MN = 10 cm , NO = 10 cm , OM = 10 cm
(iii)

MN = 11 cm , NO = 14 cm , OM = 15 cm
(iv)

MN = 13 cm , NO = 17 cm , OM = 10 cm
(v)

MN = 14 cm , NO = 10 cm , OM = 17.2 cm

Question 5

5.

Which of the following are measures of an isosceles right angled triangle ?

(i)

GH = 11 cm , HI = 15 cm , IG = 10 cm
(ii)

GH = 12 cm , HI = 18 cm , IG = 12 cm
(iii)

GH = 15 cm , HI = 15 cm , IG = 21.21 cm
(iv)

GH = 12 cm , HI = 13 cm , IG = 11 cm
(v)

GH = 14 cm , HI = 14 cm , IG = 14 cm

Question 6

6.

Which of the following are measures of an acute angled triangle ?

(i)

FG = 14 cm , GH = 14 cm , HF = 19.8 cm
(ii)

FG = 15 cm , GH = 13 cm , HF = 13 cm
(iii)

FG = 12 cm , GH = 21 cm , HF = 14 cm
(iv)

FG = 15 cm , GH = 19 cm , HF = 11 cm
(v)

FG = 10 cm , GH = 15 cm , HF = 18.03 cm

Question 7

7.

Which of the following are measures of an obtuse angled triangle ?

(i)

KL = 13 cm , LM = 15 cm , MK = 11 cm
(ii)

KL = 12 cm , LM = 10 cm , MK = 15.62 cm
(iii)

KL = 10 cm , LM = 10 cm , MK = 14.14 cm
(iv)

KL = 11 cm , LM = 12 cm , MK = 13 cm
(v)

KL = 12 cm , LM = 21 cm , MK = 14 cm

Question 8

8.

Which of the following are measures of an equilateral triangle ?

(i)

AB = 14 cm , BC = 14 cm , CA = 19.8 cm
(ii)

AB = 10 cm , BC = 13 cm , CA = 11 cm
(iii)

AB = 12 cm , BC = 14 cm , CA = 18.44 cm
(iv)

AB = 12 cm , BC = 12 cm , CA = 12 cm
(v)

AB = 14 cm , BC = 11 cm , CA = 14 cm

Question 9

9.

Which of the following are measures of an isosceles triangle ?

(i)

KL = 12 cm , LM = 15 cm , MK = 12 cm
(ii)

KL = 12 cm , LM = 11 cm , MK = 15 cm
(iii)

KL = 13 cm , LM = 13 cm , MK = 13 cm
(iv)

KL = 12 cm , LM = 13 cm , MK = 17.69 cm
(v)

KL = 14 cm , LM = 13 cm , MK = 10 cm

Question 10

10.

Which of the following are measures of a scalene triangle ?

(i)

NO = 13 cm , OP = 13 cm , PN = 18.38 cm
(ii)

NO = 12 cm , OP = 11 cm , PN = 12 cm
(iii)

NO = 13 cm , OP = 12 cm , PN = 15 cm
(iv)

NO = 13 cm , OP = 13 cm , PN = 13 cm
(v)

NO = 10 cm , OP = 11 cm , PN = 10 cm

Question 11

11.

Which of the following are measures of a right angled triangle ?

(i)

NO = 12 cm , OP = 15 cm , PN = 14 cm
(ii)

NO = 15 cm , OP = 15 cm , PN = 15 cm
(iii)

NO = 13 cm , OP = 12 cm , PN = 11 cm
(iv)

NO = 12 cm , OP = 14 cm , PN = 18.44 cm
(v)

NO = 10 cm , OP = 18 cm , PN = 12 cm

Question 12

12.

Which of the following are measures of an isosceles right angled triangle ?

(i)

AB = 10 cm , BC = 10 cm , CA = 10 cm
(ii)

AB = 12 cm , BC = 12 cm , CA = 16.97 cm
(iii)

AB = 12 cm , BC = 15 cm , CA = 10 cm
(iv)

AB = 13 cm , BC = 18 cm , CA = 11 cm

Question 13

13.

Which of the following are measures of an acute angled triangle ?

(i)

KL = 12 cm , LM = 21 cm , MK = 11 cm
(ii)

KL = 13 cm , LM = 10 cm , MK = 10 cm
(iii)

KL = 10 cm , LM = 10 cm , MK = 14.14 cm
(iv)

KL = 10 cm , LM = 14 cm , MK = 17.2 cm
(v)

KL = 12 cm , LM = 24 cm , MK = 14 cm

Question 14

14.

Which of the following are measures of an obtuse angled triangle ?

(i)

OP = 11 cm , PQ = 12 cm , QO = 10 cm
(ii)

OP = 10 cm , PQ = 18 cm , QO = 11 cm
(iii)

OP = 12 cm , PQ = 14 cm , QO = 18.44 cm
(iv)

OP = 15 cm , PQ = 12 cm , QO = 10 cm
(v)

OP = 13 cm , PQ = 13 cm , QO = 18.38 cm

Question 15

15.

Which of the following are measures of an equilateral triangle ?

(i)

∠E = 73.62° , ∠F = 50.13° , ∠G = 56.25°
(ii)

∠E = 47.16° , ∠F = 66.42° , ∠G = 66.42°
(iii)

∠E = 45° , ∠F = 90° , ∠G = 45°
(iv)

∠E = 54.46° , ∠F = 90° , ∠G = 35.54°
(v)

∠E = 60° , ∠F = 60° , ∠G = 60°

Question 16

16.

Which of the following are measures of an isosceles triangle ?

(i)

∠P = 52.43° , ∠Q = 90° , ∠R = 37.57°
(ii)

∠P = 51.32° , ∠Q = 59.17° , ∠R = 69.51°
(iii)

∠P = 66.74° , ∠Q = 56.63° , ∠R = 56.63°
(iv)

∠P = 60° , ∠Q = 60° , ∠R = 60°
(v)

∠P = 76.33° , ∠Q = 55.3° , ∠R = 48.37°

Question 17

17.

Which of the following are measures of a scalene triangle ?

(i)

∠J = 54.56° , ∠K = 62.72° , ∠L = 62.72°
(ii)

∠J = 50.06° , ∠K = 64.97° , ∠L = 64.97°
(iii)

∠J = 46.46° , ∠K = 52.26° , ∠L = 81.28°
(iv)

∠J = 45° , ∠K = 90° , ∠L = 45°
(v)

∠J = 60° , ∠K = 60° , ∠L = 60°

Question 18

18.

Which of the following are measures of a right angled triangle ?

(i)

∠M = 132.72° , ∠N = 21.55° , ∠O = 25.73°
(ii)

∠M = 76.33° , ∠N = 48.37° , ∠O = 55.3°
(iii)

∠M = 47.49° , ∠N = 90° , ∠O = 42.51°
(iv)

∠M = 59.49° , ∠N = 53.13° , ∠O = 67.38°
(v)

∠M = 60° , ∠N = 60° , ∠O = 60°

Question 19

19.

Which of the following are measures of an isosceles right angled triangle ?

(i)

∠G = 122.08° , ∠H = 28.96° , ∠I = 28.96°
(ii)

∠G = 45° , ∠H = 90° , ∠I = 45°
(iii)

∠G = 43.28° , ∠H = 73.69° , ∠I = 63.03°
(iv)

∠G = 60° , ∠H = 60° , ∠I = 60°
(v)

∠G = 46.46° , ∠H = 81.28° , ∠I = 52.26°

Question 20

20.

Which of the following are measures of an acute angled triangle ?

(i)

∠C = 45° , ∠D = 90° , ∠E = 45°
(ii)

∠C = 62.96° , ∠D = 44.42° , ∠E = 72.62°
(iii)

∠C = 119.06° , ∠D = 31.63° , ∠E = 29.31°
(iv)

∠C = 102.05° , ∠D = 40.69° , ∠E = 37.26°
(v)

∠C = 33.69° , ∠D = 90° , ∠E = 56.31°

Question 21

21.

Which of the following are measures of an obtuse angled triangle ?

(i)

∠A = 44.42° , ∠B = 62.96° , ∠C = 72.62°
(ii)

∠A = 119.06° , ∠B = 29.31° , ∠C = 31.63°
(iii)

∠A = 45° , ∠B = 90° , ∠C = 45°
(iv)

∠A = 43.03° , ∠B = 90° , ∠C = 46.97°
(v)

∠A = 70.53° , ∠B = 38.94° , ∠C = 70.53°

Question 22

22.

Which of the following are measures of an equilateral triangle ?

(i)

∠G = 60° , ∠H = 60° , ∠I = 60°
(ii)

∠G = 52.43° , ∠H = 90° , ∠I = 37.57°
(iii)

∠G = 47.91° , ∠H = 70.81° , ∠I = 61.28°
(iv)

∠G = 71.38° , ∠H = 54.31° , ∠I = 54.31°
(v)

∠G = 45° , ∠H = 90° , ∠I = 45°

Question 23

23.

Which of the following are measures of an isosceles triangle ?

(i)

∠L = 54.56° , ∠M = 62.72° , ∠N = 62.72°
(ii)

∠L = 61.26° , ∠M = 46.95° , ∠N = 71.79°
(iii)

∠L = 52.62° , ∠M = 67.97° , ∠N = 59.41°
(iv)

∠L = 60° , ∠M = 60° , ∠N = 60°
(v)

∠L = 37.57° , ∠M = 90° , ∠N = 52.43°

Question 24

24.

Which of the following are measures of a scalene triangle ?

(i)

∠L = 64.78° , ∠M = 57.61° , ∠N = 57.61°
(ii)

∠L = 45° , ∠M = 90° , ∠N = 45°
(iii)

∠L = 59.17° , ∠M = 51.32° , ∠N = 69.51°
(iv)

∠L = 60° , ∠M = 60° , ∠N = 60°
(v)

∠L = 97.18° , ∠M = 41.41° , ∠N = 41.41°

Question 25

25.

Which of the following are measures of a right angled triangle ?

(i)

∠H = 133.81° , ∠I = 22.12° , ∠J = 24.07°
(ii)

∠H = 60° , ∠I = 60° , ∠J = 60°
(iii)

∠H = 49.46° , ∠I = 81.08° , ∠J = 49.46°
(iv)

∠H = 38.66° , ∠I = 90° , ∠J = 51.34°
(v)

∠H = 41.08° , ∠I = 80.25° , ∠J = 58.67°

Question 26

26.

Which of the following are measures of an isosceles right angled triangle ?

(i)

∠B = 45° , ∠C = 90° , ∠D = 45°
(ii)

∠B = 60° , ∠C = 60° , ∠D = 60°
(iii)

∠B = 92.02° , ∠C = 41.78° , ∠D = 46.2°
(iv)

∠B = 50.75° , ∠C = 64.63° , ∠D = 64.62°
(v)

∠B = 43.28° , ∠C = 63.03° , ∠D = 73.69°

Question 27

27.

Which of the following are measures of an acute angled triangle ?

(i)

∠G = 120.25° , ∠H = 25.59° , ∠I = 34.16°
(ii)

∠G = 36.25° , ∠H = 90° , ∠I = 53.75°
(iii)

∠G = 94.41° , ∠H = 49.68° , ∠I = 35.91°
(iv)

∠G = 62.96° , ∠H = 44.42° , ∠I = 72.62°
(v)

∠G = 45° , ∠H = 90° , ∠I = 45°

Question 28

28.

Which of the following are measures of an obtuse angled triangle ?

(i)

∠D = 45° , ∠E = 90° , ∠F = 45°
(ii)

∠D = 54.77° , ∠E = 70.46° , ∠F = 54.77°
(iii)

∠D = 51.84° , ∠E = 90° , ∠F = 38.16°
(iv)

∠D = 49.46° , ∠E = 49.46° , ∠F = 81.08°
(v)

∠D = 112.75° , ∠E = 26.05° , ∠F = 41.2°

Question 29

29.

Find the measures of the three sides suitable to form a triangle?

(i)

FG = 15 cm , GH = 5 cm , HF = 9 cm
(ii)

FG = 5 cm , GH = 11 cm , HF = 5 cm
(iii)

FG = 7 cm , GH = 17 cm , HF = 9 cm
(iv)

FG = 15 cm , GH = 15 cm , HF = 10 cm
(v)

FG = 20 cm , GH = 8 cm , HF = 8 cm

Question 30

30.

Find the measures of the three angles suitable to form a triangle?

(i)

∠A = 93.10° , ∠B = 110.30° , ∠C = 31.40°
(ii)

∠A = 86.60° , ∠B = 82.90° , ∠C = 68.50°
(iii)

∠A = 58.67° , ∠B = 80.25° , ∠C = 41.08°
(iv)

∠A = 69.10° , ∠B = 103.90° , ∠C = 107.90°
(v)

∠A = 88.20° , ∠B = 64.80° , ∠C = 114.40°

Question 31

31.

In a right angled triangle, if one of the angles is 37.57°, find the third angle

(i)

82.43°
(ii)

67.43°
(iii)

57.43°
(iv)

52.43°
(v)

62.43°

Question 32

32.

In a right angled triangle, if one of the angles is 53.75°, find the third angle

(i)

46.25°
(ii)

66.25°
(iii)

51.25°
(iv)

36.25°
(v)

41.25°

Assignment Key