EduSahara™ Worksheet

Question 1

1.

Which of the following are measures of an equilateral triangle ?

(i)

LM = 15 cm , MN = 11 cm , NL = 18.6 cm
(ii)

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

LM = 12 cm , MN = 12 cm , NL = 16.97 cm
(iv)

LM = 12 cm , MN = 10 cm , NL = 14 cm
(v)

LM = 15 cm , MN = 15 cm , NL = 15 cm

Question 2

2.

Which of the following are measures of an isosceles triangle ?

(i)

BC = 13 cm , CD = 12 cm , DB = 17.69 cm
(ii)

BC = 10 cm , CD = 15 cm , DB = 11 cm
(iii)

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

BC = 12 cm , CD = 15 cm , DB = 10 cm
(v)

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

Question 3

3.

Which of the following are measures of a scalene triangle ?

(i)

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

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

GH = 12 cm , HI = 10 cm , IG = 15 cm
(iv)

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

GH = 13 cm , HI = 13 cm , IG = 18.38 cm

Question 4

4.

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

(i)

FG = 15 cm , GH = 13 cm , HF = 19.85 cm
(ii)

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

FG = 15 cm , GH = 15 cm , HF = 15 cm
(iv)

FG = 10 cm , GH = 19 cm , HF = 15 cm
(v)

FG = 14 cm , GH = 15 cm , HF = 13 cm

Question 5

5.

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

(i)

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

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

EF = 11 cm , FG = 11 cm , GE = 15 cm
(iv)

EF = 10 cm , FG = 19 cm , GE = 12 cm
(v)

EF = 14 cm , FG = 13 cm , GE = 11 cm

Question 6

6.

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

(i)

DE = 14 cm , EF = 14 cm , FD = 12 cm
(ii)

DE = 13 cm , EF = 18 cm , FD = 11 cm
(iii)

DE = 14 cm , EF = 14 cm , FD = 19.8 cm
(iv)

DE = 15 cm , EF = 25 cm , FD = 14 cm
(v)

DE = 10 cm , EF = 13 cm , FD = 16.4 cm

Question 7

7.

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

(i)

OP = 12 cm , PQ = 12 cm , QO = 11 cm
(ii)

OP = 11 cm , PQ = 14 cm , QO = 17.8 cm
(iii)

OP = 10 cm , PQ = 10 cm , QO = 14.14 cm
(iv)

OP = 13 cm , PQ = 21 cm , QO = 10 cm
(v)

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

Question 8

8.

Which of the following are measures of an equilateral triangle ?

(i)

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

∠D = 45° , ∠E = 90° , ∠F = 45°
(iii)

∠D = 38.16° , ∠E = 90° , ∠F = 51.84°
(iv)

∠D = 97.18° , ∠E = 41.41° , ∠F = 41.41°
(v)

∠D = 60° , ∠E = 60° , ∠F = 60°

Question 9

9.

Which of the following are measures of an isosceles triangle ?

(i)

∠P = 44.42° , ∠Q = 78.46° , ∠R = 57.12°
(ii)

∠P = 60° , ∠Q = 60° , ∠R = 60°
(iii)

∠P = 52.43° , ∠Q = 90° , ∠R = 37.57°
(iv)

∠P = 46.46° , ∠Q = 81.28° , ∠R = 52.26°
(v)

∠P = 73.74° , ∠Q = 53.13° , ∠R = 53.13°

Question 10

10.

Which of the following are measures of a scalene triangle ?

(i)

∠P = 47.16° , ∠Q = 66.42° , ∠R = 66.42°
(ii)

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

∠P = 97.18° , ∠Q = 41.41° , ∠R = 41.41°
(iv)

∠P = 60° , ∠Q = 60° , ∠R = 60°
(v)

∠P = 45° , ∠Q = 90° , ∠R = 45°

Question 11

11.

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

(i)

∠D = 51.84° , ∠E = 90° , ∠F = 38.16°
(ii)

∠D = 60° , ∠E = 60° , ∠F = 60°
(iii)

∠D = 64.97° , ∠E = 50.06° , ∠F = 64.97°
(iv)

∠D = 108.63° , ∠E = 40.25° , ∠F = 31.12°
(v)

∠D = 83.47° , ∠E = 51.32° , ∠F = 45.21°

Question 12

12.

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

(i)

∠D = 134.76° , ∠E = 22.62° , ∠F = 22.62°
(ii)

∠D = 60° , ∠E = 60° , ∠F = 60°
(iii)

∠D = 62.72° , ∠E = 54.56° , ∠F = 62.72°
(iv)

∠D = 45° , ∠E = 90° , ∠F = 45°
(v)

∠D = 46.95° , ∠E = 71.79° , ∠F = 61.26°

Question 13

13.

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

(i)

∠F = 53.75° , ∠G = 90° , ∠H = 36.25°
(ii)

∠F = 100.8° , ∠G = 35.3° , ∠H = 43.9°
(iii)

∠F = 129.52° , ∠G = 26.53° , ∠H = 23.95°
(iv)

∠F = 41.08° , ∠G = 58.67° , ∠H = 80.25°
(v)

∠F = 45° , ∠G = 90° , ∠H = 45°

Question 14

14.

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

(i)

∠M = 113.74° , ∠N = 28.65° , ∠O = 37.61°
(ii)

∠M = 69.98° , ∠N = 61.28° , ∠O = 48.74°
(iii)

∠M = 38.66° , ∠N = 90° , ∠O = 51.34°
(iv)

∠M = 45° , ∠N = 90° , ∠O = 45°
(v)

∠M = 68.49° , ∠N = 43.02° , ∠O = 68.49°

Question 15

15.

Which of the following are measures of an equilateral triangle ?

(i)

DE = 15 cm , EF = 13 cm , FD = 11 cm
(ii)

DE = 13 cm , EF = 15 cm , FD = 13 cm
(iii)

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

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

DE = 12 cm , EF = 12 cm , FD = 16.97 cm

Question 16

16.

Which of the following are measures of an isosceles triangle ?

(i)

MN = 11 cm , NO = 11 cm , OM = 11 cm
(ii)

MN = 11 cm , NO = 12 cm , OM = 13 cm
(iii)

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

MN = 11 cm , NO = 13 cm , OM = 15 cm
(v)

MN = 13 cm , NO = 12 cm , OM = 17.69 cm

Question 17

17.

Which of the following are measures of a scalene triangle ?

(i)

CD = 13 cm , DE = 13 cm , EC = 13 cm
(ii)

CD = 14 cm , DE = 15 cm , EC = 14 cm
(iii)

CD = 13 cm , DE = 13 cm , EC = 18.38 cm
(iv)

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

CD = 14 cm , DE = 12 cm , EC = 11 cm

Question 18

18.

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

(i)

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

EF = 15 cm , FG = 22 cm , GE = 13 cm
(iii)

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

EF = 13 cm , FG = 14 cm , GE = 19.1 cm
(v)

EF = 11 cm , FG = 13 cm , GE = 14 cm

Question 19

19.

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

(i)

IJ = 15 cm , JK = 12 cm , KI = 10 cm
(ii)

IJ = 15 cm , JK = 22 cm , KI = 10 cm
(iii)

IJ = 15 cm , JK = 14 cm , KI = 14 cm
(iv)

IJ = 11 cm , JK = 11 cm , KI = 15.56 cm
(v)

IJ = 13 cm , JK = 13 cm , KI = 13 cm

Question 20

20.

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

(i)

HI = 13 cm , IJ = 15 cm , JH = 19.85 cm
(ii)

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

HI = 10 cm , IJ = 14 cm , JH = 15 cm
(iv)

HI = 14 cm , IJ = 22 cm , JH = 10 cm
(v)

HI = 12 cm , IJ = 20 cm , JH = 11 cm

Question 21

21.

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

(i)

JK = 13 cm , KL = 15 cm , LJ = 19.85 cm
(ii)

JK = 11 cm , KL = 12 cm , LJ = 10 cm
(iii)

JK = 15 cm , KL = 23 cm , LJ = 12 cm
(iv)

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

JK = 13 cm , KL = 13 cm , LJ = 18.38 cm

Question 22

22.

Which of the following are measures of an equilateral triangle ?

(i)

∠H = 60° , ∠I = 60° , ∠J = 60°
(ii)

∠H = 42.27° , ∠I = 90° , ∠J = 47.73°
(iii)

∠H = 53.13° , ∠I = 67.38° , ∠J = 59.49°
(iv)

∠H = 64.78° , ∠I = 57.61° , ∠J = 57.61°
(v)

∠H = 45° , ∠I = 90° , ∠J = 45°

Question 23

23.

Which of the following are measures of an isosceles triangle ?

(i)

∠B = 63.03° , ∠C = 43.28° , ∠D = 73.69°
(ii)

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

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

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

∠B = 60° , ∠C = 60° , ∠D = 60°

Question 24

24.

Which of the following are measures of a scalene triangle ?

(i)

∠F = 88.86° , ∠G = 45.57° , ∠H = 45.57°
(ii)

∠F = 55.83° , ∠G = 49.32° , ∠H = 74.85°
(iii)

∠F = 60° , ∠G = 60° , ∠H = 60°
(iv)

∠F = 77.36° , ∠G = 51.32° , ∠H = 51.32°
(v)

∠F = 45° , ∠G = 90° , ∠H = 45°

Question 25

25.

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

(i)

∠I = 62.96° , ∠J = 44.42° , ∠K = 72.62°
(ii)

∠I = 60° , ∠J = 60° , ∠K = 60°
(iii)

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

∠I = 46.95° , ∠J = 71.79° , ∠K = 61.26°
(v)

∠I = 131.81° , ∠J = 25.21° , ∠K = 22.98°

Question 26

26.

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

(i)

∠M = 45° , ∠N = 90° , ∠O = 45°
(ii)

∠M = 45.21° , ∠N = 83.47° , ∠O = 51.32°
(iii)

∠M = 117.82° , ∠N = 33.56° , ∠O = 28.62°
(iv)

∠M = 60° , ∠N = 60° , ∠O = 60°
(v)

∠M = 62.96° , ∠N = 44.42° , ∠O = 72.62°

Question 27

27.

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

(i)

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

∠J = 45° , ∠K = 90° , ∠L = 45°
(iii)

∠J = 61.26° , ∠K = 71.79° , ∠L = 46.95°
(iv)

∠J = 104.38° , ∠K = 34.11° , ∠L = 41.51°
(v)

∠J = 114.72° , ∠K = 38.27° , ∠L = 27.01°

Question 28

28.

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

(i)

∠G = 45° , ∠H = 90° , ∠I = 45°
(ii)

∠G = 39.81° , ∠H = 90° , ∠I = 50.19°
(iii)

∠G = 41.65° , ∠H = 85.46° , ∠I = 52.89°
(iv)

∠G = 92.61° , ∠H = 52.06° , ∠I = 35.33°
(v)

∠G = 64.78° , ∠H = 57.61° , ∠I = 57.61°

Question 29

29.

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

(i)

AB = 6 cm , BC = 8 cm , CA = 18 cm
(ii)

AB = 11 cm , BC = 7 cm , CA = 20 cm
(iii)

AB = 19 cm , BC = 12 cm , CA = 5 cm
(iv)

AB = 8 cm , BC = 11 cm , CA = 20 cm
(v)

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

Question 30

30.

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

(i)

∠L = 54.60° , ∠M = 39.30° , ∠N = 35.20°
(ii)

∠L = 65.70° , ∠M = 66.60° , ∠N = 119.90°
(iii)

∠L = 49.90° , ∠M = 109.50° , ∠N = 58.30°
(iv)

∠L = 55.40° , ∠M = 50.70° , ∠N = 60.30°
(v)

∠L = 51.32° , ∠M = 51.32° , ∠N = 77.36°

Assignment Key