EduSahara™ Worksheet

Question 1

1.

Which of the following are measures of an equilateral triangle ?

(i)

IJ = 12 cm , JK = 15 cm , KI = 19.21 cm
(ii)

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

IJ = 12 cm , JK = 12 cm , KI = 16.97 cm
(iv)

IJ = 11 cm , JK = 14 cm , KI = 10 cm
(v)

IJ = 12 cm , JK = 12 cm , KI = 12 cm

Question 2

2.

Which of the following are measures of an isosceles triangle ?

(i)

KL = 11 cm , LM = 10 cm , MK = 14 cm
(ii)

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

KL = 15 cm , LM = 13 cm , MK = 19.85 cm
(iv)

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

KL = 14 cm , LM = 14 cm , MK = 14 cm

Question 3

3.

Which of the following are measures of a scalene triangle ?

(i)

OP = 14 cm , PQ = 10 cm , QO = 13 cm
(ii)

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

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

OP = 12 cm , PQ = 12 cm , QO = 16.97 cm
(v)

OP = 13 cm , PQ = 14 cm , QO = 13 cm

Question 4

4.

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

(i)

GH = 14 cm , HI = 20 cm , IG = 10 cm
(ii)

GH = 12 cm , HI = 15 cm , IG = 14 cm
(iii)

GH = 11 cm , HI = 13 cm , IG = 17.03 cm
(iv)

GH = 11 cm , HI = 11 cm , IG = 11 cm
(v)

GH = 10 cm , HI = 15 cm , IG = 13 cm

Question 5

5.

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

(i)

OP = 13 cm , PQ = 19 cm , QO = 11 cm
(ii)

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

OP = 12 cm , PQ = 10 cm , QO = 11 cm
(iv)

OP = 15 cm , PQ = 15 cm , QO = 21.21 cm
(v)

OP = 12 cm , PQ = 13 cm , QO = 10 cm

Question 6

6.

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

(i)

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

KL = 10 cm , LM = 20 cm , MK = 12 cm
(iii)

KL = 15 cm , LM = 24 cm , MK = 13 cm
(iv)

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

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

Question 7

7.

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

(i)

OP = 11 cm , PQ = 13 cm , QO = 17.03 cm
(ii)

OP = 15 cm , PQ = 15 cm , QO = 21.21 cm
(iii)

OP = 15 cm , PQ = 22 cm , QO = 10 cm
(iv)

OP = 12 cm , PQ = 15 cm , QO = 12 cm
(v)

OP = 11 cm , PQ = 10 cm , QO = 14 cm

Question 8

8.

Which of the following are measures of an equilateral triangle ?

(i)

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

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

∠L = 43.28° , ∠M = 63.03° , ∠N = 73.69°
(iv)

∠L = 45° , ∠M = 90° , ∠N = 45°
(v)

∠L = 60° , ∠M = 60° , ∠N = 60°

Question 9

9.

Which of the following are measures of an isosceles triangle ?

(i)

∠H = 73.69° , ∠I = 63.03° , ∠J = 43.28°
(ii)

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

∠H = 65.16° , ∠I = 57.42° , ∠J = 57.42°
(iv)

∠H = 60° , ∠I = 60° , ∠J = 60°
(v)

∠H = 78.46° , ∠I = 57.12° , ∠J = 44.42°

Question 10

10.

Which of the following are measures of a scalene triangle ?

(i)

∠A = 77.36° , ∠B = 51.32° , ∠C = 51.32°
(ii)

∠A = 72.62° , ∠B = 44.42° , ∠C = 62.96°
(iii)

∠A = 45° , ∠B = 90° , ∠C = 45°
(iv)

∠A = 60° , ∠B = 60° , ∠C = 60°
(v)

∠A = 54.56° , ∠B = 62.72° , ∠C = 62.72°

Question 11

11.

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

(i)

∠N = 56.63° , ∠O = 56.63° , ∠P = 66.74°
(ii)

∠N = 98.85° , ∠O = 42.54° , ∠P = 38.61°
(iii)

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

∠N = 35.54° , ∠O = 90° , ∠P = 54.46°
(v)

∠N = 60° , ∠O = 60° , ∠P = 60°

Question 12

12.

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

(i)

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

∠B = 60° , ∠C = 60° , ∠D = 60°
(iii)

∠B = 110.72° , ∠C = 29.49° , ∠D = 39.79°
(iv)

∠B = 55.83° , ∠C = 49.32° , ∠D = 74.85°
(v)

∠B = 45° , ∠C = 90° , ∠D = 45°

Question 13

13.

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

(i)

∠K = 55.83° , ∠L = 74.85° , ∠M = 49.32°
(ii)

∠K = 45° , ∠L = 90° , ∠M = 45°
(iii)

∠K = 122.01° , ∠L = 35.32° , ∠M = 22.67°
(iv)

∠K = 52.43° , ∠L = 90° , ∠M = 37.57°
(v)

∠K = 116.78° , ∠L = 32.92° , ∠M = 30.3°

Question 14

14.

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

(i)

∠N = 38.16° , ∠O = 90° , ∠P = 51.84°
(ii)

∠N = 45° , ∠O = 90° , ∠P = 45°
(iii)

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

∠N = 75.31° , ∠O = 40.16° , ∠P = 64.53°
(v)

∠N = 125.43° , ∠O = 28.38° , ∠P = 26.19°

Question 15

15.

Which of the following are measures of an equilateral triangle ?

(i)

EF = 10 cm , FG = 12 cm , GE = 15.62 cm
(ii)

EF = 10 cm , FG = 14 cm , GE = 11 cm
(iii)

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

EF = 12 cm , FG = 12 cm , GE = 16.97 cm
(v)

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

Question 16

16.

Which of the following are measures of an isosceles triangle ?

(i)

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

EF = 14 cm , FG = 10 cm , GE = 12 cm
(iii)

EF = 10 cm , FG = 15 cm , GE = 18.03 cm
(iv)

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

EF = 12 cm , FG = 14 cm , GE = 10 cm

Question 17

17.

Which of the following are measures of a scalene triangle ?

(i)

AB = 12 cm , BC = 12 cm , CA = 12 cm
(ii)

AB = 15 cm , BC = 12 cm , CA = 15 cm
(iii)

AB = 15 cm , BC = 15 cm , CA = 21.21 cm
(iv)

AB = 11 cm , BC = 13 cm , CA = 11 cm
(v)

AB = 13 cm , BC = 10 cm , CA = 11 cm

Question 18

18.

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

(i)

AB = 14 cm , BC = 11 cm , CA = 10 cm
(ii)

AB = 15 cm , BC = 22 cm , CA = 15 cm
(iii)

AB = 13 cm , BC = 11 cm , CA = 17.03 cm
(iv)

AB = 14 cm , BC = 13 cm , CA = 10 cm
(v)

AB = 13 cm , BC = 13 cm , CA = 13 cm

Question 19

19.

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

(i)

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

IJ = 12 cm , JK = 12 cm , KI = 16.97 cm
(iii)

IJ = 15 cm , JK = 13 cm , KI = 15 cm
(iv)

IJ = 15 cm , JK = 26 cm , KI = 14 cm
(v)

IJ = 11 cm , JK = 14 cm , KI = 15 cm

Question 20

20.

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

(i)

JK = 13 cm , KL = 13 cm , LJ = 10 cm
(ii)

JK = 10 cm , KL = 19 cm , LJ = 13 cm
(iii)

JK = 11 cm , KL = 11 cm , LJ = 15.56 cm
(iv)

JK = 13 cm , KL = 17 cm , LJ = 10 cm
(v)

JK = 14 cm , KL = 12 cm , LJ = 18.44 cm

Question 21

21.

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

(i)

CD = 15 cm , DE = 12 cm , EC = 11 cm
(ii)

CD = 14 cm , DE = 14 cm , EC = 19.8 cm
(iii)

CD = 14 cm , DE = 11 cm , EC = 10 cm
(iv)

CD = 11 cm , DE = 20 cm , EC = 14 cm
(v)

CD = 15 cm , DE = 14 cm , EC = 20.52 cm

Question 22

22.

Which of the following are measures of an equilateral triangle ?

(i)

∠B = 38.16° , ∠C = 90° , ∠D = 51.84°
(ii)

∠B = 60° , ∠C = 60° , ∠D = 60°
(iii)

∠B = 72.62° , ∠C = 44.42° , ∠D = 62.96°
(iv)

∠B = 45.24° , ∠C = 67.38° , ∠D = 67.38°
(v)

∠B = 45° , ∠C = 90° , ∠D = 45°

Question 23

23.

Which of the following are measures of an isosceles triangle ?

(i)

∠A = 71.38° , ∠B = 54.31° , ∠C = 54.31°
(ii)

∠A = 40.16° , ∠B = 75.31° , ∠C = 64.53°
(iii)

∠A = 60° , ∠B = 60° , ∠C = 60°
(iv)

∠A = 46.97° , ∠B = 90° , ∠C = 43.03°
(v)

∠A = 55.3° , ∠B = 76.33° , ∠C = 48.37°

Question 24

24.

Which of the following are measures of a scalene triangle ?

(i)

∠C = 60° , ∠D = 60° , ∠E = 60°
(ii)

∠C = 46.26° , ∠D = 66.87° , ∠E = 66.87°
(iii)

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

∠C = 45° , ∠D = 90° , ∠E = 45°
(v)

∠C = 71.38° , ∠D = 54.31° , ∠E = 54.31°

Question 25

25.

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

(i)

∠D = 111.66° , ∠E = 32.83° , ∠F = 35.51°
(ii)

∠D = 60° , ∠E = 60° , ∠F = 60°
(iii)

∠D = 73.62° , ∠E = 50.13° , ∠F = 56.25°
(iv)

∠D = 46.97° , ∠E = 90° , ∠F = 43.03°
(v)

∠D = 64.97° , ∠E = 64.97° , ∠F = 50.06°

Question 26

26.

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

(i)

∠E = 143.62° , ∠F = 18.19° , ∠G = 18.19°
(ii)

∠E = 45° , ∠F = 90° , ∠G = 45°
(iii)

∠E = 80.25° , ∠F = 58.67° , ∠G = 41.08°
(iv)

∠E = 60° , ∠F = 60° , ∠G = 60°
(v)

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

Question 27

27.

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

(i)

∠H = 100.12° , ∠I = 39.94° , ∠J = 39.94°
(ii)

∠H = 96.82° , ∠I = 45.82° , ∠J = 37.36°
(iii)

∠H = 62.97° , ∠I = 54.07° , ∠J = 62.96°
(iv)

∠H = 39.81° , ∠I = 90° , ∠J = 50.19°
(v)

∠H = 45° , ∠I = 90° , ∠J = 45°

Question 28

28.

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

(i)

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

∠G = 71.38° , ∠H = 54.31° , ∠I = 54.31°
(iii)

∠G = 45° , ∠H = 90° , ∠I = 45°
(iv)

∠G = 72.62° , ∠H = 44.42° , ∠I = 62.96°
(v)

∠G = 102.05° , ∠H = 37.26° , ∠I = 40.69°

Question 29

29.

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

(i)

FG = 19 cm , GH = 11 cm , HF = 5 cm
(ii)

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

FG = 17 cm , GH = 7 cm , HF = 9 cm
(iv)

FG = 7 cm , GH = 9 cm , HF = 20 cm
(v)

FG = 14 cm , GH = 6 cm , HF = 5 cm

Question 30

30.

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

(i)

∠M = 115.50° , ∠N = 52.40° , ∠O = 33.50°
(ii)

∠M = 49.32° , ∠N = 74.85° , ∠O = 55.83°
(iii)

∠M = 52.90° , ∠N = 109.60° , ∠O = 54.90°
(iv)

∠M = 63.50° , ∠N = 58.50° , ∠O = 36.30°
(v)

∠M = 50.40° , ∠N = 73.70° , ∠O = 47.50°

Assignment Key