EduSahara™ Worksheet

Question 1

1.

Which of the following are measures of an equilateral triangle ?

(i)

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

LM = 13 cm , MN = 13 cm , NL = 18.38 cm
(iii)

LM = 13 cm , MN = 15 cm , NL = 13 cm
(iv)

LM = 14 cm , MN = 11 cm , NL = 17.8 cm
(v)

LM = 14 cm , MN = 12 cm , NL = 13 cm

Question 2

2.

Which of the following are measures of an isosceles triangle ?

(i)

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

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

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

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

KL = 15 cm , LM = 12 cm , MK = 19.21 cm

Question 3

3.

Which of the following are measures of a scalene triangle ?

(i)

CD = 11 cm , DE = 15 cm , EC = 11 cm
(ii)

CD = 13 cm , DE = 10 cm , EC = 11 cm
(iii)

CD = 10 cm , DE = 10 cm , EC = 14.14 cm
(iv)

CD = 12 cm , DE = 14 cm , EC = 12 cm
(v)

CD = 13 cm , DE = 13 cm , EC = 13 cm

Question 4

4.

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

(i)

DE = 10 cm , EF = 20 cm , FD = 14 cm
(ii)

DE = 12 cm , EF = 12 cm , FD = 12 cm
(iii)

DE = 14 cm , EF = 15 cm , FD = 20.52 cm
(iv)

DE = 10 cm , EF = 11 cm , FD = 12 cm
(v)

DE = 10 cm , EF = 13 cm , FD = 12 cm

Question 5

5.

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

(i)

HI = 12 cm , IJ = 12 cm , JH = 11 cm
(ii)

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

HI = 13 cm , IJ = 13 cm , JH = 18.38 cm
(iv)

HI = 13 cm , IJ = 20 cm , JH = 11 cm
(v)

HI = 11 cm , IJ = 11 cm , JH = 11 cm

Question 6

6.

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

(i)

JK = 12 cm , KL = 23 cm , LJ = 13 cm
(ii)

JK = 10 cm , KL = 11 cm , LJ = 14.87 cm
(iii)

JK = 12 cm , KL = 25 cm , LJ = 15 cm
(iv)

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

JK = 11 cm , KL = 11 cm , LJ = 15.56 cm

Question 7

7.

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

(i)

KL = 14 cm , LM = 26 cm , MK = 14 cm
(ii)

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

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

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

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

Question 8

8.

Which of the following are measures of an equilateral triangle ?

(i)

OP = 14 cm , PQ = 11 cm , QO = 14 cm
(ii)

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

OP = 13 cm , PQ = 13 cm , QO = 18.38 cm
(iv)

OP = 11 cm , PQ = 12 cm , QO = 14 cm
(v)

OP = 12 cm , PQ = 10 cm , QO = 15.62 cm

Question 9

9.

Which of the following are measures of an isosceles triangle ?

(i)

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

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

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

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

LM = 10 cm , MN = 15 cm , NL = 18.03 cm

Question 10

10.

Which of the following are measures of a scalene triangle ?

(i)

NO = 15 cm , OP = 13 cm , PN = 11 cm
(ii)

NO = 12 cm , OP = 13 cm , PN = 12 cm
(iii)

NO = 10 cm , OP = 10 cm , PN = 14.14 cm
(iv)

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

NO = 14 cm , OP = 14 cm , PN = 14 cm

Question 11

11.

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

(i)

OP = 13 cm , PQ = 23 cm , QO = 13 cm
(ii)

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

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

OP = 13 cm , PQ = 11 cm , QO = 15 cm
(v)

OP = 12 cm , PQ = 15 cm , QO = 14 cm

Question 12

12.

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

(i)

IJ = 14 cm , JK = 10 cm , KI = 13 cm
(ii)

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

IJ = 14 cm , JK = 14 cm , KI = 19.8 cm
(iv)

IJ = 13 cm , JK = 21 cm , KI = 11 cm
(v)

IJ = 14 cm , JK = 15 cm , KI = 10 cm

Question 13

13.

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

(i)

AB = 10 cm , BC = 10 cm , CA = 13 cm
(ii)

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

AB = 15 cm , BC = 21 cm , CA = 13 cm
(iv)

AB = 15 cm , BC = 21 cm , CA = 10 cm
(v)

AB = 12 cm , BC = 15 cm , CA = 19.21 cm

Question 14

14.

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

(i)

NO = 11 cm , OP = 10 cm , PN = 14.87 cm
(ii)

NO = 11 cm , OP = 10 cm , PN = 14 cm
(iii)

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

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

NO = 10 cm , OP = 18 cm , PN = 13 cm

Question 15

15.

Which of the following are measures of an equilateral triangle ?

(i)

∠C = 65.16° , ∠D = 57.42° , ∠E = 57.42°
(ii)

∠C = 47.29° , ∠D = 90° , ∠E = 42.71°
(iii)

∠C = 67.38° , ∠D = 53.13° , ∠E = 59.49°
(iv)

∠C = 60° , ∠D = 60° , ∠E = 60°
(v)

∠C = 45° , ∠D = 90° , ∠E = 45°

Question 16

16.

Which of the following are measures of an isosceles triangle ?

(i)

∠E = 47.73° , ∠F = 90° , ∠G = 42.27°
(ii)

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

∠E = 83.47° , ∠F = 45.21° , ∠G = 51.32°
(iv)

∠E = 60° , ∠F = 60° , ∠G = 60°
(v)

∠E = 48.74° , ∠F = 69.98° , ∠G = 61.28°

Question 17

17.

Which of the following are measures of a scalene triangle ?

(i)

∠B = 60° , ∠C = 60° , ∠D = 60°
(ii)

∠B = 45° , ∠C = 90° , ∠D = 45°
(iii)

∠B = 71.79° , ∠C = 46.95° , ∠D = 61.26°
(iv)

∠B = 64.78° , ∠C = 57.61° , ∠D = 57.61°
(v)

∠B = 88.86° , ∠C = 45.57° , ∠D = 45.57°

Question 18

18.

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

(i)

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

∠J = 60° , ∠K = 60° , ∠L = 60°
(iii)

∠J = 109.08° , ∠K = 36.97° , ∠L = 33.95°
(iv)

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

∠J = 83.47° , ∠K = 45.21° , ∠L = 51.32°

Question 19

19.

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

(i)

∠O = 60° , ∠P = 60° , ∠Q = 60°
(ii)

∠O = 45° , ∠P = 90° , ∠Q = 45°
(iii)

∠O = 62.97° , ∠P = 54.07° , ∠Q = 62.96°
(iv)

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

∠O = 59.3° , ∠P = 68.68° , ∠Q = 52.02°

Question 20

20.

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

(i)

∠E = 49.4° , ∠F = 90° , ∠G = 40.6°
(ii)

∠E = 120.14° , ∠F = 29.93° , ∠G = 29.93°
(iii)

∠E = 62.52° , ∠F = 54.97° , ∠G = 62.51°
(iv)

∠E = 45° , ∠F = 90° , ∠G = 45°
(v)

∠E = 94.94° , ∠F = 48.35° , ∠G = 36.71°

Question 21

21.

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

(i)

∠C = 57.56° , ∠D = 45.57° , ∠E = 76.87°
(ii)

∠C = 46.97° , ∠D = 90° , ∠E = 43.03°
(iii)

∠C = 45° , ∠D = 90° , ∠E = 45°
(iv)

∠C = 124.4° , ∠D = 27.8° , ∠E = 27.8°
(v)

∠C = 66.12° , ∠D = 56.94° , ∠E = 56.94°

Question 22

22.

Which of the following are measures of an equilateral triangle ?

(i)

∠H = 33.69° , ∠I = 90° , ∠J = 56.31°
(ii)

∠H = 45.57° , ∠I = 57.56° , ∠J = 76.87°
(iii)

∠H = 60° , ∠I = 60° , ∠J = 60°
(iv)

∠H = 46.26° , ∠I = 66.87° , ∠J = 66.87°
(v)

∠H = 45° , ∠I = 90° , ∠J = 45°

Question 23

23.

Which of the following are measures of an isosceles triangle ?

(i)

∠F = 60° , ∠G = 60° , ∠H = 60°
(ii)

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

∠F = 52.26° , ∠G = 81.28° , ∠H = 46.46°
(iv)

∠F = 51.34° , ∠G = 90° , ∠H = 38.66°
(v)

∠F = 65.6° , ∠G = 57.2° , ∠H = 57.2°

Question 24

24.

Which of the following are measures of a scalene triangle ?

(i)

∠A = 72.44° , ∠B = 53.78° , ∠C = 53.78°
(ii)

∠A = 73.74° , ∠B = 53.13° , ∠C = 53.13°
(iii)

∠A = 45° , ∠B = 90° , ∠C = 45°
(iv)

∠A = 60° , ∠B = 60° , ∠C = 60°
(v)

∠A = 53.13° , ∠B = 67.38° , ∠C = 59.49°

Question 25

25.

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

(i)

∠N = 85.46° , ∠O = 52.89° , ∠P = 41.65°
(ii)

∠N = 43.03° , ∠O = 90° , ∠P = 46.97°
(iii)

∠N = 109.08° , ∠O = 33.95° , ∠P = 36.97°
(iv)

∠N = 60° , ∠O = 60° , ∠P = 60°
(v)

∠N = 66.12° , ∠O = 56.94° , ∠P = 56.94°

Question 26

26.

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

(i)

∠E = 60° , ∠F = 60° , ∠G = 60°
(ii)

∠E = 72.62° , ∠F = 44.42° , ∠G = 62.96°
(iii)

∠E = 45° , ∠F = 90° , ∠G = 45°
(iv)

∠E = 136.42° , ∠F = 21.79° , ∠G = 21.79°

Question 27

27.

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

(i)

∠B = 102.91° , ∠C = 40.53° , ∠D = 36.56°
(ii)

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

∠B = 101.53° , ∠C = 34.05° , ∠D = 44.42°
(iv)

∠B = 45° , ∠C = 90° , ∠D = 45°
(v)

∠B = 53.13° , ∠C = 67.38° , ∠D = 59.49°

Question 28

28.

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

(i)

∠I = 98.85° , ∠J = 42.54° , ∠K = 38.61°
(ii)

∠I = 37.57° , ∠J = 90° , ∠K = 52.43°
(iii)

∠I = 51.32° , ∠J = 69.51° , ∠K = 59.17°
(iv)

∠I = 78.46° , ∠J = 44.42° , ∠K = 57.12°
(v)

∠I = 45° , ∠J = 90° , ∠K = 45°

Question 29

29.

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

(i)

MN = 5 cm , NO = 20 cm , OM = 7 cm
(ii)

MN = 8 cm , NO = 10 cm , OM = 19 cm
(iii)

MN = 5 cm , NO = 5 cm , OM = 16 cm
(iv)

MN = 11 cm , NO = 19 cm , OM = 6 cm
(v)

MN = 14 cm , NO = 13 cm , OM = 14 cm

Question 30

30.

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

(i)

∠O = 52.89° , ∠P = 85.46° , ∠Q = 41.65°
(ii)

∠O = 52.89° , ∠P = 85.46° , ∠Q = 41.65°

Question 31

31.

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

(i)

79.4°
(ii)

64.4°
(iii)

59.4°
(iv)

49.4°
(v)

54.4°

Question 32

32.

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

(i)

57.51°
(ii)

52.51°
(iii)

47.51°
(iv)

72.51°
(v)

42.51°

Assignment Key