EduSahara™ Worksheet

Question 1

1.

Which of the following are measures of an equilateral triangle ?

(i)

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

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

IJ = 13 cm , JK = 10 cm , KI = 13 cm
(iv)

IJ = 14 cm , JK = 13 cm , KI = 11 cm
(v)

IJ = 11 cm , JK = 15 cm , KI = 18.6 cm

Question 2

2.

Which of the following are measures of an isosceles triangle ?

(i)

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

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

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

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

NO = 10 cm , OP = 11 cm , PN = 14.87 cm

Question 3

3.

Which of the following are measures of a scalene triangle ?

(i)

GH = 11 cm , HI = 13 cm , IG = 11 cm
(ii)

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

GH = 10 cm , HI = 15 cm , IG = 10 cm
(iv)

GH = 13 cm , HI = 10 cm , IG = 12 cm
(v)

GH = 11 cm , HI = 11 cm , IG = 15.56 cm

Question 4

4.

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

(i)

OP = 13 cm , PQ = 20 cm , QO = 13 cm
(ii)

OP = 11 cm , PQ = 15 cm , QO = 18.6 cm
(iii)

OP = 15 cm , PQ = 14 cm , QO = 11 cm
(iv)

OP = 10 cm , PQ = 14 cm , QO = 11 cm
(v)

OP = 11 cm , PQ = 11 cm , QO = 11 cm

Question 5

5.

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

(i)

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

HI = 10 cm , IJ = 21 cm , JH = 14 cm
(iii)

HI = 12 cm , IJ = 15 cm , JH = 14 cm
(iv)

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

HI = 13 cm , IJ = 14 cm , JH = 10 cm

Question 6

6.

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

(i)

GH = 11 cm , HI = 14 cm , IG = 17.8 cm
(ii)

GH = 14 cm , HI = 23 cm , IG = 12 cm
(iii)

GH = 11 cm , HI = 11 cm , IG = 12 cm
(iv)

GH = 12 cm , HI = 18 cm , IG = 10 cm
(v)

GH = 10 cm , HI = 10 cm , IG = 14.14 cm

Question 7

7.

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

(i)

JK = 15 cm , KL = 10 cm , LJ = 14 cm
(ii)

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

JK = 15 cm , KL = 14 cm , LJ = 20.52 cm
(iv)

JK = 14 cm , KL = 14 cm , LJ = 19.8 cm
(v)

JK = 13 cm , KL = 22 cm , LJ = 14 cm

Question 8

8.

Which of the following are measures of an equilateral triangle ?

(i)

BC = 14 cm , CD = 14 cm , DB = 19.8 cm
(ii)

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

BC = 11 cm , CD = 11 cm , DB = 11 cm
(iv)

BC = 15 cm , CD = 13 cm , DB = 19.85 cm
(v)

BC = 12 cm , CD = 10 cm , DB = 11 cm

Question 9

9.

Which of the following are measures of an isosceles triangle ?

(i)

LM = 15 cm , MN = 14 cm , NL = 11 cm
(ii)

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

LM = 11 cm , MN = 15 cm , NL = 13 cm
(iv)

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

LM = 13 cm , MN = 11 cm , NL = 17.03 cm

Question 10

10.

Which of the following are measures of a scalene triangle ?

(i)

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

LM = 11 cm , MN = 15 cm , NL = 10 cm
(iii)

LM = 11 cm , MN = 11 cm , NL = 15.56 cm
(iv)

LM = 11 cm , MN = 12 cm , NL = 11 cm
(v)

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

Question 11

11.

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

(i)

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

OP = 11 cm , PQ = 21 cm , QO = 15 cm
(iii)

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

OP = 10 cm , PQ = 12 cm , QO = 15.62 cm
(v)

OP = 13 cm , PQ = 12 cm , QO = 11 cm

Question 12

12.

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

(i)

KL = 12 cm , LM = 12 cm , MK = 16.97 cm
(ii)

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

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

KL = 12 cm , LM = 20 cm , MK = 14 cm
(v)

KL = 11 cm , LM = 12 cm , MK = 11 cm

Question 13

13.

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

(i)

JK = 15 cm , KL = 23 cm , LJ = 13 cm
(ii)

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

JK = 12 cm , KL = 10 cm , LJ = 13 cm
(iv)

JK = 13 cm , KL = 12 cm , LJ = 17.69 cm
(v)

JK = 15 cm , KL = 18 cm , LJ = 10 cm

Question 14

14.

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

(i)

JK = 11 cm , KL = 19 cm , LJ = 11 cm
(ii)

JK = 14 cm , KL = 14 cm , LJ = 19.8 cm
(iii)

JK = 15 cm , KL = 12 cm , LJ = 11 cm
(iv)

JK = 12 cm , KL = 10 cm , LJ = 15.62 cm
(v)

JK = 12 cm , KL = 14 cm , LJ = 15 cm

Question 15

15.

Which of the following are measures of an equilateral triangle ?

(i)

∠A = 55.3° , ∠B = 48.37° , ∠C = 76.33°
(ii)

∠A = 60° , ∠B = 60° , ∠C = 60°
(iii)

∠A = 45° , ∠B = 90° , ∠C = 45°
(iv)

∠A = 65.6° , ∠B = 57.2° , ∠C = 57.2°
(v)

∠A = 47.49° , ∠B = 90° , ∠C = 42.51°

Question 16

16.

Which of the following are measures of an isosceles triangle ?

(i)

∠L = 47.29° , ∠M = 90° , ∠N = 42.71°
(ii)

∠L = 60° , ∠M = 60° , ∠N = 60°
(iii)

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

∠L = 52.02° , ∠M = 59.3° , ∠N = 68.68°
(v)

∠L = 47.16° , ∠M = 66.42° , ∠N = 66.42°

Question 17

17.

Which of the following are measures of a scalene triangle ?

(i)

∠D = 47.16° , ∠E = 66.42° , ∠F = 66.42°
(ii)

∠D = 60° , ∠E = 60° , ∠F = 60°
(iii)

∠D = 76.33° , ∠E = 55.3° , ∠F = 48.37°
(iv)

∠D = 46.26° , ∠E = 66.87° , ∠F = 66.87°
(v)

∠D = 45° , ∠E = 90° , ∠F = 45°

Question 18

18.

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

(i)

∠B = 54.46° , ∠C = 90° , ∠D = 35.54°
(ii)

∠B = 131.42° , ∠C = 20.92° , ∠D = 27.66°
(iii)

∠B = 60° , ∠C = 60° , ∠D = 60°
(iv)

∠B = 56.94° , ∠C = 66.12° , ∠D = 56.94°
(v)

∠B = 71.79° , ∠C = 61.26° , ∠D = 46.95°

Question 19

19.

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

(i)

∠H = 45° , ∠I = 90° , ∠J = 45°
(ii)

∠H = 107.5° , ∠I = 33.02° , ∠J = 39.48°
(iii)

∠H = 58.67° , ∠I = 41.08° , ∠J = 80.25°
(iv)

∠H = 60° , ∠I = 60° , ∠J = 60°
(v)

∠H = 54.77° , ∠I = 70.46° , ∠J = 54.77°

Question 20

20.

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

(i)

∠A = 121.87° , ∠B = 26.41° , ∠C = 31.72°
(ii)

∠A = 51.34° , ∠B = 90° , ∠C = 38.66°
(iii)

∠A = 116.78° , ∠B = 32.92° , ∠C = 30.3°
(iv)

∠A = 62.72° , ∠B = 54.56° , ∠C = 62.72°
(v)

∠A = 45° , ∠B = 90° , ∠C = 45°

Question 21

21.

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

(i)

∠I = 107.5° , ∠J = 33.02° , ∠K = 39.48°
(ii)

∠I = 51.84° , ∠J = 90° , ∠K = 38.16°
(iii)

∠I = 43.02° , ∠J = 68.49° , ∠K = 68.49°
(iv)

∠I = 61.28° , ∠J = 48.74° , ∠K = 69.98°
(v)

∠I = 45° , ∠J = 90° , ∠K = 45°

Question 22

22.

Which of the following are measures of an equilateral triangle ?

(i)

∠E = 45° , ∠F = 90° , ∠G = 45°
(ii)

∠E = 60° , ∠F = 60° , ∠G = 60°
(iii)

∠E = 79.04° , ∠F = 50.48° , ∠G = 50.48°
(iv)

∠E = 37.57° , ∠F = 90° , ∠G = 52.43°
(v)

∠E = 80.25° , ∠F = 41.08° , ∠G = 58.67°

Question 23

23.

Which of the following are measures of an isosceles triangle ?

(i)

∠O = 55.83° , ∠P = 74.85° , ∠Q = 49.32°
(ii)

∠O = 77.36° , ∠P = 51.32° , ∠Q = 51.32°
(iii)

∠O = 60° , ∠P = 60° , ∠Q = 60°
(iv)

∠O = 57.56° , ∠P = 45.57° , ∠Q = 76.87°
(v)

∠O = 40.24° , ∠P = 90° , ∠Q = 49.76°

Question 24

24.

Which of the following are measures of a scalene triangle ?

(i)

∠H = 45° , ∠I = 90° , ∠J = 45°
(ii)

∠H = 69.51° , ∠I = 59.17° , ∠J = 51.32°
(iii)

∠H = 88.86° , ∠I = 45.57° , ∠J = 45.57°
(iv)

∠H = 60° , ∠I = 60° , ∠J = 60°
(v)

∠H = 97.18° , ∠I = 41.41° , ∠J = 41.41°

Question 25

25.

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

(i)

∠O = 53.75° , ∠P = 90° , ∠Q = 36.25°
(ii)

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

∠O = 60° , ∠P = 60° , ∠Q = 60°
(iv)

∠O = 120.14° , ∠P = 29.93° , ∠Q = 29.93°
(v)

∠O = 50.13° , ∠P = 73.62° , ∠Q = 56.25°

Question 26

26.

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

(i)

∠A = 60° , ∠B = 60° , ∠C = 60°
(ii)

∠A = 45° , ∠B = 90° , ∠C = 45°
(iii)

∠A = 125.43° , ∠B = 26.19° , ∠C = 28.38°
(iv)

∠A = 45.21° , ∠B = 51.32° , ∠C = 83.47°

Question 27

27.

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

(i)

∠K = 106.26° , ∠L = 36.87° , ∠M = 36.87°
(ii)

∠K = 98.21° , ∠L = 46.83° , ∠M = 34.96°
(iii)

∠K = 45° , ∠L = 90° , ∠M = 45°
(iv)

∠K = 81.28° , ∠L = 46.46° , ∠M = 52.26°
(v)

∠K = 37.57° , ∠L = 90° , ∠M = 52.43°

Question 28

28.

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

(i)

∠I = 47.91° , ∠J = 70.81° , ∠K = 61.28°
(ii)

∠I = 125.43° , ∠J = 26.19° , ∠K = 28.38°
(iii)

∠I = 47.29° , ∠J = 90° , ∠K = 42.71°
(iv)

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

∠I = 45° , ∠J = 90° , ∠K = 45°

Question 29

29.

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

(i)

BC = 13 cm , CD = 14 cm , DB = 11 cm
(ii)

BC = 10 cm , CD = 6 cm , DB = 17 cm
(iii)

BC = 19 cm , CD = 11 cm , DB = 6 cm
(iv)

BC = 7 cm , CD = 5 cm , DB = 13 cm
(v)

BC = 13 cm , CD = 20 cm , DB = 6 cm

Question 30

30.

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

(i)

∠J = 53.80° , ∠K = 85.20° , ∠L = 102.70°
(ii)

∠J = 62.96° , ∠K = 44.42° , ∠L = 72.62°
(iii)

∠J = 30.60° , ∠K = 72.60° , ∠L = 119.20°
(iv)

∠J = 64.20° , ∠K = 64.90° , ∠L = 77.40°
(v)

∠J = 40.50° , ∠K = 97.90° , ∠L = 61.50°

Question 31

31.

In a right angled triangle, if one of the angles is 47.29°, find the third angle

(i)

42.71°
(ii)

47.71°
(iii)

72.71°
(iv)

57.71°
(v)

52.71°

Question 32

32.

In a right angled triangle, if one of the angles is 47.73°, find the third angle

(i)

52.27°
(ii)

72.27°
(iii)

42.27°
(iv)

47.27°
(v)

57.27°

Assignment Key