EduSahara™ Worksheet

Question 1

1.

Which of the following are measures of an equilateral triangle ?

(i)

EF = 10 cm , FG = 12 cm , GE = 14 cm
(ii)

EF = 15 cm , FG = 15 cm , GE = 15 cm
(iii)

EF = 11 cm , FG = 10 cm , GE = 14.87 cm
(iv)

EF = 15 cm , FG = 15 cm , GE = 21.21 cm
(v)

EF = 10 cm , FG = 12 cm , GE = 10 cm

Question 2

2.

Which of the following are measures of an isosceles triangle ?

(i)

JK = 11 cm , KL = 13 cm , LJ = 11 cm
(ii)

JK = 14 cm , KL = 11 cm , LJ = 13 cm
(iii)

JK = 10 cm , KL = 14 cm , LJ = 11 cm
(iv)

JK = 10 cm , KL = 10 cm , LJ = 10 cm
(v)

JK = 12 cm , KL = 14 cm , LJ = 18.44 cm

Question 3

3.

Which of the following are measures of a scalene triangle ?

(i)

IJ = 10 cm , JK = 12 cm , KI = 11 cm
(ii)

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

IJ = 10 cm , JK = 10 cm , KI = 14.14 cm
(iv)

IJ = 12 cm , JK = 12 cm , KI = 12 cm

Question 4

4.

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

(i)

LM = 13 cm , MN = 14 cm , NL = 12 cm
(ii)

LM = 10 cm , MN = 10 cm , NL = 10 cm
(iii)

LM = 14 cm , MN = 15 cm , NL = 20.52 cm
(iv)

LM = 10 cm , MN = 15 cm , NL = 14 cm
(v)

LM = 14 cm , MN = 19 cm , NL = 12 cm

Question 5

5.

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

(i)

HI = 11 cm , IJ = 13 cm , JH = 10 cm
(ii)

HI = 15 cm , IJ = 15 cm , JH = 21.21 cm
(iii)

HI = 15 cm , IJ = 15 cm , JH = 15 cm
(iv)

HI = 15 cm , IJ = 15 cm , JH = 13 cm
(v)

HI = 14 cm , IJ = 18 cm , JH = 10 cm

Question 6

6.

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

(i)

GH = 10 cm , HI = 11 cm , IG = 12 cm
(ii)

GH = 14 cm , HI = 22 cm , IG = 14 cm
(iii)

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

GH = 11 cm , HI = 11 cm , IG = 15.56 cm
(v)

GH = 12 cm , HI = 15 cm , IG = 19.21 cm

Question 7

7.

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

(i)

PQ = 15 cm , QR = 15 cm , RP = 21.21 cm
(ii)

PQ = 13 cm , QR = 12 cm , RP = 17.69 cm
(iii)

PQ = 15 cm , QR = 13 cm , RP = 11 cm
(iv)

PQ = 10 cm , QR = 23 cm , RP = 15 cm
(v)

PQ = 13 cm , QR = 12 cm , RP = 11 cm

Question 8

8.

Which of the following are measures of an equilateral triangle ?

(i)

MN = 15 cm , NO = 10 cm , OM = 15 cm
(ii)

MN = 12 cm , NO = 13 cm , OM = 10 cm
(iii)

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

MN = 15 cm , NO = 12 cm , OM = 19.21 cm
(v)

MN = 12 cm , NO = 12 cm , OM = 12 cm

Question 9

9.

Which of the following are measures of an isosceles triangle ?

(i)

AB = 15 cm , BC = 13 cm , CA = 19.85 cm
(ii)

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

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

AB = 13 cm , BC = 13 cm , CA = 13 cm
(v)

AB = 12 cm , BC = 14 cm , CA = 13 cm

Question 10

10.

Which of the following are measures of a scalene triangle ?

(i)

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

MN = 13 cm , NO = 14 cm , OM = 11 cm
(iii)

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

MN = 10 cm , NO = 10 cm , OM = 14.14 cm
(v)

MN = 11 cm , NO = 13 cm , OM = 11 cm

Question 11

11.

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

(i)

IJ = 13 cm , JK = 13 cm , KI = 13 cm
(ii)

IJ = 13 cm , JK = 10 cm , KI = 15 cm
(iii)

IJ = 12 cm , JK = 15 cm , KI = 19.21 cm
(iv)

IJ = 12 cm , JK = 14 cm , KI = 10 cm
(v)

IJ = 13 cm , JK = 25 cm , KI = 14 cm

Question 12

12.

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

(i)

JK = 15 cm , KL = 15 cm , LJ = 21.21 cm
(ii)

JK = 11 cm , KL = 11 cm , LJ = 11 cm
(iii)

JK = 13 cm , KL = 22 cm , LJ = 13 cm
(iv)

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

JK = 11 cm , KL = 15 cm , LJ = 12 cm

Question 13

13.

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

(i)

HI = 14 cm , IJ = 20 cm , JH = 10 cm
(ii)

HI = 15 cm , IJ = 11 cm , JH = 18.6 cm
(iii)

HI = 15 cm , IJ = 15 cm , JH = 21.21 cm
(iv)

HI = 12 cm , IJ = 13 cm , JH = 12 cm
(v)

HI = 15 cm , IJ = 22 cm , JH = 15 cm

Question 14

14.

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

(i)

BC = 14 cm , CD = 13 cm , DB = 10 cm
(ii)

BC = 15 cm , CD = 27 cm , DB = 15 cm
(iii)

BC = 13 cm , CD = 13 cm , DB = 18.38 cm
(iv)

BC = 13 cm , CD = 11 cm , DB = 13 cm
(v)

BC = 12 cm , CD = 14 cm , DB = 18.44 cm

Question 15

15.

Which of the following are measures of an equilateral triangle ?

(i)

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

∠B = 45° , ∠C = 90° , ∠D = 45°
(iii)

∠B = 40.24° , ∠C = 90° , ∠D = 49.76°
(iv)

∠B = 45.21° , ∠C = 83.47° , ∠D = 51.32°
(v)

∠B = 60° , ∠C = 60° , ∠D = 60°

Question 16

16.

Which of the following are measures of an isosceles triangle ?

(i)

∠L = 60° , ∠M = 60° , ∠N = 60°
(ii)

∠L = 97.18° , ∠M = 41.41° , ∠N = 41.41°
(iii)

∠L = 49.76° , ∠M = 90° , ∠N = 40.24°
(iv)

∠L = 74.85° , ∠M = 49.32° , ∠N = 55.83°
(v)

∠L = 44.42° , ∠M = 57.12° , ∠N = 78.46°

Question 17

17.

Which of the following are measures of a scalene triangle ?

(i)

∠H = 50.06° , ∠I = 64.97° , ∠J = 64.97°
(ii)

∠H = 45° , ∠I = 90° , ∠J = 45°
(iii)

∠H = 60° , ∠I = 60° , ∠J = 60°
(iv)

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

∠H = 45.24° , ∠I = 67.38° , ∠J = 67.38°

Question 18

18.

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

(i)

∠B = 42.51° , ∠C = 90° , ∠D = 47.49°
(ii)

∠B = 50.06° , ∠C = 64.97° , ∠D = 64.97°
(iii)

∠B = 56.25° , ∠C = 73.62° , ∠D = 50.13°
(iv)

∠B = 60° , ∠C = 60° , ∠D = 60°
(v)

∠B = 115.6° , ∠C = 32.2° , ∠D = 32.2°

Question 19

19.

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

(i)

∠B = 60° , ∠C = 60° , ∠D = 60°
(ii)

∠B = 47.01° , ∠C = 47.01° , ∠D = 85.98°
(iii)

∠B = 59.17° , ∠C = 69.51° , ∠D = 51.32°
(iv)

∠B = 45° , ∠C = 90° , ∠D = 45°
(v)

∠B = 97.18° , ∠C = 41.41° , ∠D = 41.41°

Question 20

20.

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

(i)

∠P = 119.06° , ∠Q = 31.63° , ∠R = 29.31°
(ii)

∠P = 100.29° , ∠Q = 43.53° , ∠R = 36.18°
(iii)

∠P = 44.42° , ∠Q = 72.62° , ∠R = 62.96°
(iv)

∠P = 45° , ∠Q = 90° , ∠R = 45°
(v)

∠P = 51.84° , ∠Q = 90° , ∠R = 38.16°

Question 21

21.

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

(i)

∠K = 61.28° , ∠L = 70.81° , ∠M = 47.91°
(ii)

∠K = 62.52° , ∠L = 54.97° , ∠M = 62.51°
(iii)

∠K = 47.49° , ∠L = 90° , ∠M = 42.51°
(iv)

∠K = 45° , ∠L = 90° , ∠M = 45°
(v)

∠K = 100.8° , ∠L = 43.9° , ∠M = 35.3°

Question 22

22.

Which of the following are measures of an equilateral triangle ?

(i)

∠J = 45° , ∠K = 90° , ∠L = 45°
(ii)

∠J = 49.32° , ∠K = 74.85° , ∠L = 55.83°
(iii)

∠J = 42.51° , ∠K = 90° , ∠L = 47.49°
(iv)

∠J = 60° , ∠K = 60° , ∠L = 60°
(v)

∠J = 64.78° , ∠K = 57.61° , ∠L = 57.61°

Question 23

23.

Which of the following are measures of an isosceles triangle ?

(i)

∠L = 70.81° , ∠M = 47.91° , ∠N = 61.28°
(ii)

∠L = 59.49° , ∠M = 53.13° , ∠N = 67.38°
(iii)

∠L = 45.24° , ∠M = 67.38° , ∠N = 67.38°
(iv)

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

∠L = 60° , ∠M = 60° , ∠N = 60°

Question 24

24.

Which of the following are measures of a scalene triangle ?

(i)

∠O = 88.86° , ∠P = 45.57° , ∠Q = 45.57°
(ii)

∠O = 46.46° , ∠P = 52.26° , ∠Q = 81.28°
(iii)

∠O = 45° , ∠P = 90° , ∠Q = 45°
(iv)

∠O = 60° , ∠P = 60° , ∠Q = 60°

Question 25

25.

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

(i)

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

∠A = 60° , ∠B = 60° , ∠C = 60°
(iii)

∠A = 49.4° , ∠B = 90° , ∠C = 40.6°
(iv)

∠A = 107.74° , ∠B = 36.13° , ∠C = 36.13°
(v)

∠A = 53.78° , ∠B = 53.78° , ∠C = 72.44°

Question 26

26.

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

(i)

∠E = 69.51° , ∠F = 51.32° , ∠G = 59.17°
(ii)

∠E = 60° , ∠F = 60° , ∠G = 60°
(iii)

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

∠E = 105.64° , ∠F = 42.38° , ∠G = 31.98°
(v)

∠E = 45° , ∠F = 90° , ∠G = 45°

Question 27

27.

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

(i)

∠H = 104.47° , ∠I = 46.57° , ∠J = 28.96°
(ii)

∠H = 77.36° , ∠I = 51.32° , ∠J = 51.32°
(iii)

∠H = 53.75° , ∠I = 90° , ∠J = 36.25°
(iv)

∠H = 110.72° , ∠I = 39.79° , ∠J = 29.49°
(v)

∠H = 45° , ∠I = 90° , ∠J = 45°

Question 28

28.

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

(i)

∠L = 49.4° , ∠M = 90° , ∠N = 40.6°
(ii)

∠L = 92.02° , ∠M = 46.2° , ∠N = 41.78°
(iii)

∠L = 67.38° , ∠M = 45.24° , ∠N = 67.38°
(iv)

∠L = 45° , ∠M = 90° , ∠N = 45°
(v)

∠L = 66.74° , ∠M = 56.63° , ∠N = 56.63°

Question 29

29.

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

(i)

PQ = 5 cm , QR = 20 cm , RP = 7 cm
(ii)

PQ = 14 cm , QR = 13 cm , RP = 14 cm
(iii)

PQ = 19 cm , QR = 10 cm , RP = 8 cm
(iv)

PQ = 11 cm , QR = 17 cm , RP = 5 cm
(v)

PQ = 10 cm , QR = 8 cm , RP = 19 cm

Question 30

30.

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

(i)

∠I = 50.13° , ∠J = 73.62° , ∠K = 56.25°
(ii)

∠I = 36.40° , ∠J = 61.70° , ∠K = 35.30°
(iii)

∠I = 107.80° , ∠J = 92.40° , ∠K = 39.40°
(iv)

∠I = 69.60° , ∠J = 48.10° , ∠K = 89.30°
(v)

∠I = 58.60° , ∠J = 96.90° , ∠K = 103.10°

Question 31

31.

In a right angled triangle, if one of the angles is 40.6°, find the third angle

(i)

79.4°
(ii)

59.4°
(iii)

54.4°
(iv)

49.4°
(v)

64.4°

Question 32

32.

In a right angled triangle, if one of the angles is 47.49°, find the third angle

(i)

72.51°
(ii)

52.51°
(iii)

57.51°
(iv)

47.51°
(v)

42.51°

Assignment Key