EduSahara™ Worksheet

Question 1

1.

Which of the following are measures of an equilateral triangle ?

(i)

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

JK = 12 cm , KL = 11 cm , LJ = 16.28 cm
(iii)

JK = 15 cm , KL = 11 cm , LJ = 14 cm
(iv)

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

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

Question 2

2.

Which of the following are measures of an isosceles triangle ?

(i)

DE = 15 cm , EF = 12 cm , FD = 15 cm
(ii)

DE = 12 cm , EF = 15 cm , FD = 14 cm
(iii)

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

DE = 13 cm , EF = 13 cm , FD = 13 cm
(v)

DE = 11 cm , EF = 13 cm , FD = 17.03 cm

Question 3

3.

Which of the following are measures of a scalene triangle ?

(i)

JK = 12 cm , KL = 14 cm , LJ = 12 cm
(ii)

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

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

JK = 13 cm , KL = 13 cm , LJ = 18.38 cm
(v)

JK = 12 cm , KL = 14 cm , LJ = 10 cm

Question 4

4.

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

(i)

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

MN = 10 cm , NO = 11 cm , OM = 15 cm
(iii)

MN = 12 cm , NO = 21 cm , OM = 15 cm
(iv)

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

MN = 11 cm , NO = 14 cm , OM = 17.8 cm

Question 5

5.

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

(i)

GH = 13 cm , HI = 13 cm , IG = 18.38 cm
(ii)

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

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

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

GH = 14 cm , HI = 23 cm , IG = 11 cm

Question 6

6.

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

(i)

DE = 14 cm , EF = 25 cm , FD = 13 cm
(ii)

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

DE = 13 cm , EF = 15 cm , FD = 19.85 cm
(iv)

DE = 15 cm , EF = 11 cm , FD = 15 cm
(v)

DE = 12 cm , EF = 23 cm , FD = 13 cm

Question 7

7.

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

(i)

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

PQ = 15 cm , QR = 15 cm , RP = 11 cm
(iii)

PQ = 13 cm , QR = 11 cm , RP = 17.03 cm
(iv)

PQ = 13 cm , QR = 13 cm , RP = 18.38 cm
(v)

PQ = 14 cm , QR = 10 cm , RP = 15 cm

Question 8

8.

Which of the following are measures of an equilateral triangle ?

(i)

∠G = 42.88° , ∠H = 90° , ∠I = 47.12°
(ii)

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

∠G = 45° , ∠H = 90° , ∠I = 45°
(iv)

∠G = 60° , ∠H = 60° , ∠I = 60°
(v)

∠G = 72.44° , ∠H = 53.78° , ∠I = 53.78°

Question 9

9.

Which of the following are measures of an isosceles triangle ?

(i)

∠L = 60° , ∠M = 60° , ∠N = 60°
(ii)

∠L = 51.34° , ∠M = 90° , ∠N = 38.66°
(iii)

∠L = 47.16° , ∠M = 66.42° , ∠N = 66.42°
(iv)

∠L = 64.53° , ∠M = 75.31° , ∠N = 40.16°
(v)

∠L = 68.68° , ∠M = 52.02° , ∠N = 59.3°

Question 10

10.

Which of the following are measures of a scalene triangle ?

(i)

∠E = 60° , ∠F = 60° , ∠G = 60°
(ii)

∠E = 71.38° , ∠F = 54.31° , ∠G = 54.31°
(iii)

∠E = 48.74° , ∠F = 69.98° , ∠G = 61.28°
(iv)

∠E = 65.16° , ∠F = 57.42° , ∠G = 57.42°
(v)

∠E = 45° , ∠F = 90° , ∠G = 45°

Question 11

11.

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

(i)

∠J = 35.54° , ∠K = 90° , ∠L = 54.46°
(ii)

∠J = 60° , ∠K = 60° , ∠L = 60°
(iii)

∠J = 51.32° , ∠K = 45.21° , ∠L = 83.47°
(iv)

∠J = 57.56° , ∠K = 76.87° , ∠L = 45.57°
(v)

∠J = 119.17° , ∠K = 33.47° , ∠L = 27.36°

Question 12

12.

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

(i)

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

∠L = 45° , ∠M = 90° , ∠N = 45°
(iii)

∠L = 60° , ∠M = 60° , ∠N = 60°
(iv)

∠L = 88.86° , ∠M = 45.57° , ∠N = 45.57°
(v)

∠L = 100.29° , ∠M = 43.53° , ∠N = 36.18°

Question 13

13.

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

(i)

∠O = 100.29° , ∠P = 43.53° , ∠Q = 36.18°
(ii)

∠O = 104.9° , ∠P = 39.07° , ∠Q = 36.03°
(iii)

∠O = 38.16° , ∠P = 90° , ∠Q = 51.84°
(iv)

∠O = 48.37° , ∠P = 76.33° , ∠Q = 55.3°
(v)

∠O = 45° , ∠P = 90° , ∠Q = 45°

Question 14

14.

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

(i)

∠C = 45° , ∠D = 90° , ∠E = 45°
(ii)

∠C = 70.81° , ∠D = 47.91° , ∠E = 61.28°
(iii)

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

∠C = 122.01° , ∠D = 22.67° , ∠E = 35.32°
(v)

∠C = 47.73° , ∠D = 90° , ∠E = 42.27°

Question 15

15.

Which of the following are measures of an equilateral triangle ?

(i)

DE = 13 cm , EF = 11 cm , FD = 14 cm
(ii)

DE = 11 cm , EF = 11 cm , FD = 15.56 cm
(iii)

DE = 10 cm , EF = 10 cm , FD = 10 cm
(iv)

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

DE = 10 cm , EF = 12 cm , FD = 15.62 cm

Question 16

16.

Which of the following are measures of an isosceles triangle ?

(i)

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

KL = 14 cm , LM = 12 cm , MK = 18.44 cm
(iii)

KL = 12 cm , LM = 10 cm , MK = 15 cm
(iv)

KL = 11 cm , LM = 11 cm , MK = 11 cm
(v)

KL = 15 cm , LM = 14 cm , MK = 10 cm

Question 17

17.

Which of the following are measures of a scalene triangle ?

(i)

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

GH = 14 cm , HI = 15 cm , IG = 14 cm
(iii)

GH = 10 cm , HI = 14 cm , IG = 10 cm
(iv)

GH = 15 cm , HI = 15 cm , IG = 15 cm
(v)

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

Question 18

18.

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

(i)

HI = 13 cm , IJ = 19 cm , JH = 11 cm
(ii)

HI = 12 cm , IJ = 11 cm , JH = 13 cm
(iii)

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

HI = 12 cm , IJ = 10 cm , JH = 15.62 cm
(v)

HI = 15 cm , IJ = 11 cm , JH = 11 cm

Question 19

19.

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

(i)

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

FG = 11 cm , GH = 12 cm , HF = 15 cm
(iii)

FG = 13 cm , GH = 17 cm , HF = 10 cm
(iv)

FG = 11 cm , GH = 11 cm , HF = 15.56 cm
(v)

FG = 13 cm , GH = 11 cm , HF = 10 cm

Question 20

20.

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

(i)

MN = 11 cm , NO = 19 cm , OM = 15 cm
(ii)

MN = 14 cm , NO = 21 cm , OM = 14 cm
(iii)

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

MN = 11 cm , NO = 11 cm , OM = 15.56 cm
(v)

MN = 12 cm , NO = 10 cm , OM = 15.62 cm

Question 21

21.

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

(i)

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

PQ = 11 cm , QR = 10 cm , RP = 12 cm
(iii)

PQ = 13 cm , QR = 18 cm , RP = 11 cm
(iv)

PQ = 12 cm , QR = 14 cm , RP = 18.44 cm
(v)

PQ = 14 cm , QR = 13 cm , RP = 15 cm

Question 22

22.

Which of the following are measures of an equilateral triangle ?

(i)

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

∠D = 45° , ∠E = 90° , ∠F = 45°
(iii)

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

∠D = 50.19° , ∠E = 90° , ∠F = 39.81°
(v)

∠D = 60° , ∠E = 60° , ∠F = 60°

Question 23

23.

Which of the following are measures of an isosceles triangle ?

(i)

∠B = 65.6° , ∠C = 57.2° , ∠D = 57.2°
(ii)

∠B = 59.41° , ∠C = 52.62° , ∠D = 67.97°
(iii)

∠B = 60° , ∠C = 60° , ∠D = 60°
(iv)

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

∠B = 37.57° , ∠C = 90° , ∠D = 52.43°

Question 24

24.

Which of the following are measures of a scalene triangle ?

(i)

∠C = 45° , ∠D = 90° , ∠E = 45°
(ii)

∠C = 66.74° , ∠D = 56.63° , ∠E = 56.63°
(iii)

∠C = 59.3° , ∠D = 68.68° , ∠E = 52.02°
(iv)

∠C = 60° , ∠D = 60° , ∠E = 60°
(v)

∠C = 54.56° , ∠D = 62.72° , ∠E = 62.72°

Question 25

25.

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

(i)

∠M = 45.57° , ∠N = 76.87° , ∠O = 57.56°
(ii)

∠M = 60° , ∠N = 60° , ∠O = 60°
(iii)

∠M = 64.97° , ∠N = 50.06° , ∠O = 64.97°
(iv)

∠M = 120.25° , ∠N = 34.16° , ∠O = 25.59°
(v)

∠M = 42.51° , ∠N = 90° , ∠O = 47.49°

Question 26

26.

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

(i)

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

∠O = 40.16° , ∠P = 64.53° , ∠Q = 75.31°
(iii)

∠O = 60° , ∠P = 60° , ∠Q = 60°
(iv)

∠O = 45° , ∠P = 90° , ∠Q = 45°
(v)

∠O = 100.8° , ∠P = 35.3° , ∠Q = 43.9°

Question 27

27.

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

(i)

∠E = 39.81° , ∠F = 90° , ∠G = 50.19°
(ii)

∠E = 69.98° , ∠F = 48.74° , ∠G = 61.28°
(iii)

∠E = 45° , ∠F = 90° , ∠G = 45°
(iv)

∠E = 101.2° , ∠F = 39.4° , ∠G = 39.4°
(v)

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

Question 28

28.

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

(i)

∠F = 45° , ∠G = 90° , ∠H = 45°
(ii)

∠F = 106.73° , ∠G = 43.16° , ∠H = 30.11°
(iii)

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

∠F = 52.02° , ∠G = 68.68° , ∠H = 59.3°
(v)

∠F = 67.38° , ∠G = 45.24° , ∠H = 67.38°

Question 29

29.

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

(i)

OP = 7 cm , PQ = 5 cm , QO = 18 cm
(ii)

OP = 8 cm , PQ = 20 cm , QO = 9 cm
(iii)

OP = 8 cm , PQ = 17 cm , QO = 5 cm
(iv)

OP = 6 cm , PQ = 5 cm , QO = 15 cm
(v)

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

Question 30

30.

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

(i)

∠I = 49.32° , ∠J = 55.83° , ∠K = 74.85°
(ii)

∠I = 43.60° , ∠J = 37.50° , ∠K = 102.30°
(iii)

∠I = 78.50° , ∠J = 89.80° , ∠K = 45.80°
(iv)

∠I = 66.90° , ∠J = 37.10° , ∠K = 30.10°
(v)

∠I = 83.10° , ∠J = 65.30° , ∠K = 120.90°

Assignment Key