EduSahara™ Worksheet

Question 1

1.

Which of the following are measures of an equilateral triangle ?

(i)

EF = 10 cm , FG = 10 cm , GE = 14.14 cm
(ii)

EF = 10 cm , FG = 13 cm , GE = 10 cm
(iii)

EF = 12 cm , FG = 12 cm , GE = 12 cm
(iv)

EF = 14 cm , FG = 13 cm , GE = 10 cm
(v)

EF = 14 cm , FG = 11 cm , GE = 17.8 cm

Question 2

2.

Which of the following are measures of an isosceles triangle ?

(i)

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

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

LM = 14 cm , MN = 13 cm , NL = 19.1 cm
(iv)

LM = 12 cm , MN = 14 cm , NL = 11 cm
(v)

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

Question 3

3.

Which of the following are measures of a scalene triangle ?

(i)

LM = 14 cm , MN = 14 cm , NL = 19.8 cm
(ii)

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

LM = 11 cm , MN = 12 cm , NL = 13 cm
(iv)

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

LM = 13 cm , MN = 10 cm , NL = 13 cm

Question 4

4.

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

(i)

PQ = 15 cm , QR = 11 cm , RP = 18.6 cm
(ii)

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

PQ = 12 cm , QR = 13 cm , RP = 13 cm
(iv)

PQ = 11 cm , QR = 19 cm , RP = 13 cm
(v)

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

Question 5

5.

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

(i)

FG = 12 cm , GH = 12 cm , HF = 16.97 cm
(ii)

FG = 12 cm , GH = 15 cm , HF = 13 cm
(iii)

FG = 14 cm , GH = 24 cm , HF = 13 cm
(iv)

FG = 14 cm , GH = 15 cm , HF = 11 cm
(v)

FG = 11 cm , GH = 11 cm , HF = 11 cm

Question 6

6.

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

(i)

PQ = 13 cm , QR = 22 cm , RP = 12 cm
(ii)

PQ = 11 cm , QR = 12 cm , RP = 12 cm
(iii)

PQ = 12 cm , QR = 19 cm , RP = 10 cm
(iv)

PQ = 12 cm , QR = 12 cm , RP = 16.97 cm
(v)

PQ = 10 cm , QR = 15 cm , RP = 18.03 cm

Question 7

7.

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

(i)

CD = 15 cm , DE = 24 cm , EC = 15 cm
(ii)

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

CD = 15 cm , DE = 15 cm , EC = 21.21 cm
(iv)

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

CD = 11 cm , DE = 10 cm , EC = 14.87 cm

Question 8

8.

Which of the following are measures of an equilateral triangle ?

(i)

EF = 13 cm , FG = 13 cm , GE = 18.38 cm
(ii)

EF = 14 cm , FG = 14 cm , GE = 14 cm
(iii)

EF = 14 cm , FG = 15 cm , GE = 14 cm
(iv)

EF = 12 cm , FG = 15 cm , GE = 19.21 cm
(v)

EF = 11 cm , FG = 10 cm , GE = 14 cm

Question 9

9.

Which of the following are measures of an isosceles triangle ?

(i)

AB = 13 cm , BC = 10 cm , CA = 16.4 cm
(ii)

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

AB = 12 cm , BC = 13 cm , CA = 11 cm
(iv)

AB = 11 cm , BC = 14 cm , CA = 11 cm
(v)

AB = 10 cm , BC = 14 cm , CA = 13 cm

Question 10

10.

Which of the following are measures of a scalene triangle ?

(i)

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

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

JK = 10 cm , KL = 10 cm , LJ = 14.14 cm
(iv)

JK = 10 cm , KL = 13 cm , LJ = 11 cm
(v)

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

Question 11

11.

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

(i)

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

AB = 11 cm , BC = 14 cm , CA = 17.8 cm
(iii)

AB = 12 cm , BC = 18 cm , CA = 11 cm
(iv)

AB = 15 cm , BC = 13 cm , CA = 12 cm
(v)

AB = 15 cm , BC = 14 cm , CA = 10 cm

Question 12

12.

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

(i)

AB = 10 cm , BC = 15 cm , CA = 10 cm
(ii)

AB = 12 cm , BC = 11 cm , CA = 12 cm
(iii)

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

AB = 15 cm , BC = 11 cm , CA = 14 cm
(v)

AB = 12 cm , BC = 12 cm , CA = 16.97 cm

Question 13

13.

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

(i)

PQ = 14 cm , QR = 11 cm , RP = 17.8 cm
(ii)

PQ = 10 cm , QR = 18 cm , RP = 12 cm
(iii)

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

PQ = 14 cm , QR = 12 cm , RP = 12 cm
(v)

PQ = 12 cm , QR = 25 cm , RP = 15 cm

Question 14

14.

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

(i)

LM = 10 cm , MN = 15 cm , NL = 18.03 cm
(ii)

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

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

LM = 10 cm , MN = 16 cm , NL = 12 cm
(v)

LM = 15 cm , MN = 14 cm , NL = 10 cm

Question 15

15.

Which of the following are measures of an equilateral triangle ?

(i)

∠F = 45° , ∠G = 90° , ∠H = 45°
(ii)

∠F = 54.56° , ∠G = 62.72° , ∠H = 62.72°
(iii)

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

∠F = 42.51° , ∠G = 90° , ∠H = 47.49°
(v)

∠F = 60° , ∠G = 60° , ∠H = 60°

Question 16

16.

Which of the following are measures of an isosceles triangle ?

(i)

∠F = 97.18° , ∠G = 41.41° , ∠H = 41.41°
(ii)

∠F = 52.62° , ∠G = 59.41° , ∠H = 67.97°
(iii)

∠F = 47.16° , ∠G = 41.8° , ∠H = 91.04°
(iv)

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

∠F = 60° , ∠G = 60° , ∠H = 60°

Question 17

17.

Which of the following are measures of a scalene triangle ?

(i)

∠E = 81.08° , ∠F = 49.46° , ∠G = 49.46°
(ii)

∠E = 60° , ∠F = 60° , ∠G = 60°
(iii)

∠E = 66.74° , ∠F = 56.63° , ∠G = 56.63°
(iv)

∠E = 45° , ∠F = 90° , ∠G = 45°
(v)

∠E = 61.28° , ∠F = 47.91° , ∠G = 70.81°

Question 18

18.

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

(i)

∠J = 95.22° , ∠K = 40.12° , ∠L = 44.66°
(ii)

∠J = 43.28° , ∠K = 73.69° , ∠L = 63.03°
(iii)

∠J = 60° , ∠K = 60° , ∠L = 60°
(iv)

∠J = 51.84° , ∠K = 90° , ∠L = 38.16°
(v)

∠J = 61.26° , ∠K = 46.95° , ∠L = 71.79°

Question 19

19.

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

(i)

∠P = 41.08° , ∠Q = 80.25° , ∠R = 58.67°
(ii)

∠P = 45° , ∠Q = 90° , ∠R = 45°
(iii)

∠P = 110.46° , ∠Q = 34.77° , ∠R = 34.77°
(iv)

∠P = 49.32° , ∠Q = 55.83° , ∠R = 74.85°
(v)

∠P = 60° , ∠Q = 60° , ∠R = 60°

Question 20

20.

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

(i)

∠C = 58.67° , ∠D = 41.08° , ∠E = 80.25°
(ii)

∠C = 45° , ∠D = 90° , ∠E = 45°
(iii)

∠C = 125.43° , ∠D = 28.38° , ∠E = 26.19°
(iv)

∠C = 116.39° , ∠D = 35.75° , ∠E = 27.86°
(v)

∠C = 38.16° , ∠D = 90° , ∠E = 51.84°

Question 21

21.

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

(i)

∠C = 47.73° , ∠D = 90° , ∠E = 42.27°
(ii)

∠C = 75.31° , ∠D = 40.16° , ∠E = 64.53°
(iii)

∠C = 125.43° , ∠D = 26.19° , ∠E = 28.38°
(iv)

∠C = 62.18° , ∠D = 62.18° , ∠E = 55.64°
(v)

∠C = 45° , ∠D = 90° , ∠E = 45°

Question 22

22.

Which of the following are measures of an equilateral triangle ?

(i)

∠O = 45° , ∠P = 90° , ∠Q = 45°
(ii)

∠O = 70.46° , ∠P = 54.77° , ∠Q = 54.77°
(iii)

∠O = 51.32° , ∠P = 83.47° , ∠Q = 45.21°
(iv)

∠O = 60° , ∠P = 60° , ∠Q = 60°
(v)

∠O = 42.27° , ∠P = 90° , ∠Q = 47.73°

Question 23

23.

Which of the following are measures of an isosceles triangle ?

(i)

∠P = 56.31° , ∠Q = 90° , ∠R = 33.69°
(ii)

∠P = 70.46° , ∠Q = 54.77° , ∠R = 54.77°
(iii)

∠P = 60° , ∠Q = 60° , ∠R = 60°
(iv)

∠P = 59.41° , ∠Q = 67.97° , ∠R = 52.62°
(v)

∠P = 48.74° , ∠Q = 61.28° , ∠R = 69.98°

Question 24

24.

Which of the following are measures of a scalene triangle ?

(i)

∠C = 50.06° , ∠D = 64.97° , ∠E = 64.97°
(ii)

∠C = 66.12° , ∠D = 56.94° , ∠E = 56.94°
(iii)

∠C = 45° , ∠D = 90° , ∠E = 45°
(iv)

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

∠C = 60° , ∠D = 60° , ∠E = 60°

Question 25

25.

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

(i)

∠G = 75.31° , ∠H = 64.53° , ∠I = 40.16°
(ii)

∠G = 42.71° , ∠H = 90° , ∠I = 47.29°
(iii)

∠G = 60° , ∠H = 60° , ∠I = 60°
(iv)

∠G = 83.47° , ∠H = 45.21° , ∠I = 51.32°
(v)

∠G = 104.68° , ∠H = 37.66° , ∠I = 37.66°

Question 26

26.

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

(i)

∠G = 122.01° , ∠H = 22.67° , ∠I = 35.32°
(ii)

∠G = 45° , ∠H = 90° , ∠I = 45°
(iii)

∠G = 60° , ∠H = 60° , ∠I = 60°
(iv)

∠G = 78.46° , ∠H = 44.42° , ∠I = 57.12°
(v)

∠G = 41.65° , ∠H = 85.46° , ∠I = 52.89°

Question 27

27.

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

(i)

∠F = 51.84° , ∠G = 90° , ∠H = 38.16°
(ii)

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

∠F = 45° , ∠G = 90° , ∠H = 45°
(iv)

∠F = 112.62° , ∠G = 36.87° , ∠H = 30.51°
(v)

∠F = 119.46° , ∠G = 30.27° , ∠H = 30.27°

Question 28

28.

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

(i)

∠J = 54.31° , ∠K = 71.38° , ∠L = 54.31°
(ii)

∠J = 110.26° , ∠K = 37.72° , ∠L = 32.02°
(iii)

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

∠J = 45° , ∠K = 90° , ∠L = 45°
(v)

∠J = 69.98° , ∠K = 61.28° , ∠L = 48.74°

Question 29

29.

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

(i)

NO = 19 cm , OP = 10 cm , PN = 8 cm
(ii)

NO = 6 cm , OP = 5 cm , PN = 20 cm
(iii)

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

NO = 15 cm , OP = 5 cm , PN = 8 cm
(v)

NO = 6 cm , OP = 5 cm , PN = 16 cm

Question 30

30.

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

(i)

∠I = 102.20° , ∠J = 44.20° , ∠K = 67.70°
(ii)

∠I = 87.60° , ∠J = 105.40° , ∠K = 69.20°
(iii)

∠I = 87.90° , ∠J = 102.80° , ∠K = 67.80°
(iv)

∠I = 52.02° , ∠J = 59.3° , ∠K = 68.68°
(v)

∠I = 115.90° , ∠J = 83.50° , ∠K = 62.10°

Question 31

31.

In a right angled triangle, if one of the angles is 39.81°, find the third angle

(i)

55.19°
(ii)

50.19°
(iii)

80.19°
(iv)

60.19°
(v)

65.19°

Question 32

32.

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

(i)

53.66°
(ii)

48.66°
(iii)

38.66°
(iv)

68.66°
(v)

43.66°

Assignment Key