EduSahara™ Worksheet

Question 1

1.

Which of the following are measures of an equilateral triangle ?

(i)

KL = 10 cm , LM = 13 cm , MK = 16.4 cm
(ii)

KL = 14 cm , LM = 10 cm , MK = 15 cm
(iii)

KL = 14 cm , LM = 14 cm , MK = 14 cm
(iv)

KL = 15 cm , LM = 15 cm , MK = 21.21 cm
(v)

KL = 15 cm , LM = 12 cm , MK = 15 cm

Question 2

2.

Which of the following are measures of an isosceles triangle ?

(i)

IJ = 10 cm , JK = 14 cm , KI = 10 cm
(ii)

IJ = 14 cm , JK = 12 cm , KI = 11 cm
(iii)

IJ = 11 cm , JK = 13 cm , KI = 17.03 cm
(iv)

IJ = 12 cm , JK = 12 cm , KI = 12 cm
(v)

IJ = 12 cm , JK = 10 cm , KI = 11 cm

Question 3

3.

Which of the following are measures of a scalene triangle ?

(i)

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

NO = 11 cm , OP = 15 cm , PN = 11 cm
(iii)

NO = 13 cm , OP = 11 cm , PN = 14 cm
(iv)

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

NO = 15 cm , OP = 15 cm , PN = 15 cm

Question 4

4.

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

(i)

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

OP = 12 cm , PQ = 20 cm , QO = 11 cm
(iii)

OP = 13 cm , PQ = 14 cm , QO = 10 cm
(iv)

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

OP = 12 cm , PQ = 11 cm , QO = 16.28 cm

Question 5

5.

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

(i)

KL = 12 cm , LM = 17 cm , MK = 11 cm
(ii)

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

KL = 14 cm , LM = 14 cm , MK = 19.8 cm
(iv)

KL = 10 cm , LM = 12 cm , MK = 13 cm
(v)

KL = 13 cm , LM = 10 cm , MK = 11 cm

Question 6

6.

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

(i)

MN = 13 cm , NO = 10 cm , OM = 10 cm
(ii)

MN = 15 cm , NO = 15 cm , OM = 21.21 cm
(iii)

MN = 15 cm , NO = 22 cm , OM = 10 cm
(iv)

MN = 14 cm , NO = 12 cm , OM = 18.44 cm
(v)

MN = 14 cm , NO = 21 cm , OM = 10 cm

Question 7

7.

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

(i)

GH = 13 cm , HI = 13 cm , IG = 18.38 cm
(ii)

GH = 14 cm , HI = 11 cm , IG = 12 cm
(iii)

GH = 12 cm , HI = 16 cm , IG = 10 cm
(iv)

GH = 11 cm , HI = 14 cm , IG = 12 cm
(v)

GH = 15 cm , HI = 14 cm , IG = 20.52 cm

Question 8

8.

Which of the following are measures of an equilateral triangle ?

(i)

MN = 12 cm , NO = 14 cm , OM = 10 cm
(ii)

MN = 13 cm , NO = 13 cm , OM = 13 cm
(iii)

MN = 13 cm , NO = 13 cm , OM = 18.38 cm
(iv)

MN = 10 cm , NO = 15 cm , OM = 18.03 cm
(v)

MN = 13 cm , NO = 15 cm , OM = 13 cm

Question 9

9.

Which of the following are measures of an isosceles triangle ?

(i)

OP = 14 cm , PQ = 12 cm , QO = 15 cm
(ii)

OP = 14 cm , PQ = 14 cm , QO = 14 cm
(iii)

OP = 15 cm , PQ = 14 cm , QO = 20.52 cm
(iv)

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

OP = 12 cm , PQ = 14 cm , QO = 10 cm

Question 10

10.

Which of the following are measures of a scalene triangle ?

(i)

JK = 15 cm , KL = 15 cm , LJ = 15 cm
(ii)

JK = 13 cm , KL = 12 cm , LJ = 15 cm
(iii)

JK = 14 cm , KL = 11 cm , LJ = 14 cm
(iv)

JK = 13 cm , KL = 14 cm , LJ = 13 cm
(v)

JK = 12 cm , KL = 12 cm , LJ = 16.97 cm

Question 11

11.

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

(i)

MN = 14 cm , NO = 10 cm , OM = 12 cm
(ii)

MN = 14 cm , NO = 14 cm , OM = 14 cm
(iii)

MN = 15 cm , NO = 13 cm , OM = 14 cm
(iv)

MN = 15 cm , NO = 28 cm , OM = 15 cm
(v)

MN = 14 cm , NO = 12 cm , OM = 18.44 cm

Question 12

12.

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

(i)

NO = 15 cm , OP = 15 cm , PN = 21.21 cm
(ii)

NO = 11 cm , OP = 19 cm , PN = 15 cm
(iii)

NO = 13 cm , OP = 12 cm , PN = 10 cm
(iv)

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

NO = 10 cm , OP = 11 cm , PN = 13 cm

Question 13

13.

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

(i)

HI = 13 cm , IJ = 13 cm , JH = 10 cm
(ii)

HI = 14 cm , IJ = 27 cm , JH = 15 cm
(iii)

HI = 10 cm , IJ = 11 cm , JH = 14.87 cm
(iv)

HI = 12 cm , IJ = 12 cm , JH = 16.97 cm
(v)

HI = 14 cm , IJ = 20 cm , JH = 11 cm

Question 14

14.

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

(i)

KL = 14 cm , LM = 14 cm , MK = 19.8 cm
(ii)

KL = 15 cm , LM = 22 cm , MK = 11 cm
(iii)

KL = 11 cm , LM = 14 cm , MK = 11 cm
(iv)

KL = 14 cm , LM = 10 cm , MK = 12 cm
(v)

KL = 14 cm , LM = 13 cm , MK = 19.1 cm

Question 15

15.

Which of the following are measures of an equilateral triangle ?

(i)

∠I = 43.28° , ∠J = 63.03° , ∠K = 73.69°
(ii)

∠I = 46.97° , ∠J = 90° , ∠K = 43.03°
(iii)

∠I = 45° , ∠J = 90° , ∠K = 45°
(iv)

∠I = 45.24° , ∠J = 67.38° , ∠K = 67.38°
(v)

∠I = 60° , ∠J = 60° , ∠K = 60°

Question 16

16.

Which of the following are measures of an isosceles triangle ?

(i)

∠F = 59.49° , ∠G = 67.38° , ∠H = 53.13°
(ii)

∠F = 73.74° , ∠G = 53.13° , ∠H = 53.13°
(iii)

∠F = 68.68° , ∠G = 59.3° , ∠H = 52.02°
(iv)

∠F = 60° , ∠G = 60° , ∠H = 60°
(v)

∠F = 36.25° , ∠G = 90° , ∠H = 53.75°

Question 17

17.

Which of the following are measures of a scalene triangle ?

(i)

∠F = 45° , ∠G = 90° , ∠H = 45°
(ii)

∠F = 64.78° , ∠G = 57.61° , ∠H = 57.61°
(iii)

∠F = 60° , ∠G = 60° , ∠H = 60°
(iv)

∠F = 65.16° , ∠G = 57.42° , ∠H = 57.42°
(v)

∠F = 73.69° , ∠G = 63.03° , ∠H = 43.28°

Question 18

18.

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

(i)

∠K = 92.02° , ∠L = 46.2° , ∠M = 41.78°
(ii)

∠K = 48.37° , ∠L = 76.33° , ∠M = 55.3°
(iii)

∠K = 60° , ∠L = 60° , ∠M = 60°
(iv)

∠K = 67.38° , ∠L = 59.49° , ∠M = 53.13°
(v)

∠K = 47.73° , ∠L = 90° , ∠M = 42.27°

Question 19

19.

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

(i)

∠F = 60° , ∠G = 60° , ∠H = 60°
(ii)

∠F = 114.72° , ∠G = 27.01° , ∠H = 38.27°
(iii)

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

∠F = 45° , ∠G = 90° , ∠H = 45°
(v)

∠F = 83.47° , ∠G = 51.32° , ∠H = 45.21°

Question 20

20.

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

(i)

∠O = 45° , ∠P = 90° , ∠Q = 45°
(ii)

∠O = 50.13° , ∠P = 73.62° , ∠Q = 56.25°
(iii)

∠O = 108.63° , ∠P = 31.12° , ∠Q = 40.25°
(iv)

∠O = 95.22° , ∠P = 40.12° , ∠Q = 44.66°
(v)

∠O = 51.84° , ∠P = 90° , ∠Q = 38.16°

Question 21

21.

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

(i)

∠F = 132.84° , ∠G = 18.59° , ∠H = 28.57°
(ii)

∠F = 45° , ∠G = 90° , ∠H = 45°
(iii)

∠F = 68.68° , ∠G = 59.3° , ∠H = 52.02°
(iv)

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

∠F = 47.12° , ∠G = 90° , ∠H = 42.88°

Question 22

22.

Which of the following are measures of an equilateral triangle ?

(i)

∠H = 60° , ∠I = 60° , ∠J = 60°
(ii)

∠H = 63.03° , ∠I = 43.28° , ∠J = 73.69°
(iii)

∠H = 72.44° , ∠I = 53.78° , ∠J = 53.78°
(iv)

∠H = 45° , ∠I = 90° , ∠J = 45°
(v)

∠H = 40.6° , ∠I = 90° , ∠J = 49.4°

Question 23

23.

Which of the following are measures of an isosceles triangle ?

(i)

∠K = 65.6° , ∠L = 57.2° , ∠M = 57.2°
(ii)

∠K = 60° , ∠L = 60° , ∠M = 60°
(iii)

∠K = 61.28° , ∠L = 69.98° , ∠M = 48.74°
(iv)

∠K = 50.19° , ∠L = 90° , ∠M = 39.81°
(v)

∠K = 74.85° , ∠L = 49.32° , ∠M = 55.83°

Question 24

24.

Which of the following are measures of a scalene triangle ?

(i)

∠E = 60° , ∠F = 60° , ∠G = 60°
(ii)

∠E = 46.46° , ∠F = 52.26° , ∠G = 81.28°
(iii)

∠E = 45.24° , ∠F = 67.38° , ∠G = 67.38°
(iv)

∠E = 45° , ∠F = 90° , ∠G = 45°
(v)

∠E = 73.74° , ∠F = 53.13° , ∠G = 53.13°

Question 25

25.

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

(i)

∠I = 83.47° , ∠J = 51.32° , ∠K = 45.21°
(ii)

∠I = 93.32° , ∠J = 43.34° , ∠K = 43.34°
(iii)

∠I = 40.91° , ∠J = 90° , ∠K = 49.09°
(iv)

∠I = 73.69° , ∠J = 43.28° , ∠K = 63.03°
(v)

∠I = 60° , ∠J = 60° , ∠K = 60°

Question 26

26.

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

(i)

∠A = 54.31° , ∠B = 54.31° , ∠C = 71.38°
(ii)

∠A = 45° , ∠B = 90° , ∠C = 45°
(iii)

∠A = 49.32° , ∠B = 74.85° , ∠C = 55.83°
(iv)

∠A = 124.23° , ∠B = 30.22° , ∠C = 25.55°
(v)

∠A = 60° , ∠B = 60° , ∠C = 60°

Question 27

27.

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

(i)

∠J = 45° , ∠K = 90° , ∠L = 45°
(ii)

∠J = 129.52° , ∠K = 23.95° , ∠L = 26.53°
(iii)

∠J = 80.25° , ∠K = 41.08° , ∠L = 58.67°
(iv)

∠J = 99.15° , ∠K = 38.1° , ∠L = 42.75°
(v)

∠J = 56.31° , ∠K = 90° , ∠L = 33.69°

Question 28

28.

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

(i)

∠L = 45° , ∠M = 90° , ∠N = 45°
(ii)

∠L = 78.46° , ∠M = 44.42° , ∠N = 57.12°
(iii)

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

∠L = 103.43° , ∠M = 45.78° , ∠N = 30.79°
(v)

∠L = 40.24° , ∠M = 90° , ∠N = 49.76°

Question 29

29.

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

(i)

FG = 8 cm , GH = 15 cm , HF = 6 cm
(ii)

FG = 17 cm , GH = 7 cm , HF = 5 cm
(iii)

FG = 12 cm , GH = 18 cm , HF = 5 cm
(iv)

FG = 10 cm , GH = 11 cm , HF = 15 cm
(v)

FG = 8 cm , GH = 5 cm , HF = 16 cm

Question 30

30.

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

(i)

∠P = 74.10° , ∠Q = 76.60° , ∠R = 98.70°
(ii)

∠P = 90.50° , ∠Q = 119.20° , ∠R = 81.30°
(iii)

∠P = 60° , ∠Q = 60° , ∠R = 60°
(iv)

∠P = 118.50° , ∠Q = 52.20° , ∠R = 84.50°
(v)

∠P = 98.70° , ∠Q = 114.70° , ∠R = 56.40°

Question 31

31.

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

(i)

62.43°
(ii)

52.43°
(iii)

57.43°
(iv)

82.43°
(v)

67.43°

Question 32

32.

In a right angled triangle, if one of the angles is 51.34°, find the third angle

(i)

48.66°
(ii)

53.66°
(iii)

38.66°
(iv)

43.66°
(v)

68.66°

Assignment Key