EduSahara™ Worksheet

Question 1

1.

Which of the following are measures of an equilateral triangle ?

(i)

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

BC = 12 cm , CD = 15 cm , DB = 13 cm
(iii)

BC = 10 cm , CD = 10 cm , DB = 14.14 cm
(iv)

BC = 15 cm , CD = 10 cm , DB = 18.03 cm
(v)

BC = 11 cm , CD = 15 cm , DB = 11 cm

Question 2

2.

Which of the following are measures of an isosceles triangle ?

(i)

OP = 13 cm , PQ = 12 cm , QO = 15 cm
(ii)

OP = 11 cm , PQ = 13 cm , QO = 15 cm
(iii)

OP = 10 cm , PQ = 14 cm , QO = 17.2 cm
(iv)

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

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

Question 3

3.

Which of the following are measures of a scalene triangle ?

(i)

GH = 11 cm , HI = 14 cm , IG = 10 cm
(ii)

GH = 15 cm , HI = 15 cm , IG = 21.21 cm
(iii)

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

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

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

Question 4

4.

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

(i)

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

DE = 10 cm , EF = 12 cm , FD = 15 cm
(iii)

DE = 12 cm , EF = 22 cm , FD = 15 cm
(iv)

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

DE = 13 cm , EF = 15 cm , FD = 19.85 cm

Question 5

5.

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

(i)

KL = 11 cm , LM = 12 cm , MK = 11 cm
(ii)

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

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

KL = 11 cm , LM = 18 cm , MK = 12 cm
(v)

KL = 15 cm , LM = 15 cm , MK = 21.21 cm

Question 6

6.

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

(i)

DE = 14 cm , EF = 13 cm , FD = 19.1 cm
(ii)

DE = 12 cm , EF = 20 cm , FD = 14 cm
(iii)

DE = 14 cm , EF = 24 cm , FD = 15 cm
(iv)

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

DE = 12 cm , EF = 14 cm , FD = 11 cm

Question 7

7.

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

(i)

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

IJ = 11 cm , JK = 19 cm , KI = 15 cm
(iii)

IJ = 14 cm , JK = 14 cm , KI = 13 cm
(iv)

IJ = 15 cm , JK = 10 cm , KI = 18.03 cm
(v)

IJ = 11 cm , JK = 11 cm , KI = 12 cm

Question 8

8.

Which of the following are measures of an equilateral triangle ?

(i)

∠O = 49.4° , ∠P = 90° , ∠Q = 40.6°
(ii)

∠O = 60° , ∠P = 60° , ∠Q = 60°
(iii)

∠O = 71.38° , ∠P = 54.31° , ∠Q = 54.31°
(iv)

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

∠O = 45° , ∠P = 90° , ∠Q = 45°

Question 9

9.

Which of the following are measures of an isosceles triangle ?

(i)

∠B = 40.16° , ∠C = 75.31° , ∠D = 64.53°
(ii)

∠B = 60° , ∠C = 60° , ∠D = 60°
(iii)

∠B = 42.88° , ∠C = 90° , ∠D = 47.12°
(iv)

∠B = 52.02° , ∠C = 68.68° , ∠D = 59.3°
(v)

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

Question 10

10.

Which of the following are measures of a scalene triangle ?

(i)

∠K = 67.38° , ∠L = 59.49° , ∠M = 53.13°
(ii)

∠K = 60° , ∠L = 60° , ∠M = 60°
(iii)

∠K = 45° , ∠L = 90° , ∠M = 45°
(iv)

∠K = 64.78° , ∠L = 57.61° , ∠M = 57.61°
(v)

∠K = 66.12° , ∠L = 56.94° , ∠M = 56.94°

Question 11

11.

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

(i)

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

∠E = 60° , ∠F = 60° , ∠G = 60°
(iii)

∠E = 103.34° , ∠F = 41.56° , ∠G = 35.1°
(iv)

∠E = 71.79° , ∠F = 46.95° , ∠G = 61.26°
(v)

∠E = 45.57° , ∠F = 45.57° , ∠G = 88.86°

Question 12

12.

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

(i)

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

∠C = 102.91° , ∠D = 36.56° , ∠E = 40.53°
(iii)

∠C = 51.32° , ∠D = 51.32° , ∠E = 77.36°
(iv)

∠C = 45° , ∠D = 90° , ∠E = 45°
(v)

∠C = 60° , ∠D = 60° , ∠E = 60°

Question 13

13.

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

(i)

∠J = 40.91° , ∠K = 90° , ∠L = 49.09°
(ii)

∠J = 56.25° , ∠K = 50.13° , ∠L = 73.62°
(iii)

∠J = 45° , ∠K = 90° , ∠L = 45°
(iv)

∠J = 95.52° , ∠K = 44.17° , ∠L = 40.31°
(v)

∠J = 131.42° , ∠K = 20.92° , ∠L = 27.66°

Question 14

14.

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

(i)

∠A = 99.15° , ∠B = 38.1° , ∠C = 42.75°
(ii)

∠A = 42.71° , ∠B = 90° , ∠C = 47.29°
(iii)

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

∠A = 45° , ∠B = 90° , ∠C = 45°
(v)

∠A = 38.94° , ∠B = 70.53° , ∠C = 70.53°

Question 15

15.

Which of the following are measures of an equilateral triangle ?

(i)

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

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

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

AB = 14 cm , BC = 14 cm , CA = 19.8 cm
(v)

AB = 15 cm , BC = 12 cm , CA = 15 cm

Question 16

16.

Which of the following are measures of an isosceles triangle ?

(i)

IJ = 13 cm , JK = 13 cm , KI = 13 cm
(ii)

IJ = 14 cm , JK = 10 cm , KI = 17.2 cm
(iii)

IJ = 11 cm , JK = 14 cm , KI = 12 cm
(iv)

IJ = 10 cm , JK = 11 cm , KI = 13 cm
(v)

IJ = 11 cm , JK = 13 cm , KI = 11 cm

Question 17

17.

Which of the following are measures of a scalene triangle ?

(i)

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

EF = 14 cm , FG = 14 cm , GE = 19.8 cm
(iii)

EF = 12 cm , FG = 15 cm , GE = 12 cm
(iv)

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

EF = 15 cm , FG = 10 cm , GE = 15 cm

Question 18

18.

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

(i)

FG = 10 cm , GH = 12 cm , HF = 11 cm
(ii)

FG = 15 cm , GH = 10 cm , HF = 13 cm
(iii)

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

FG = 14 cm , GH = 12 cm , HF = 18.44 cm
(v)

FG = 14 cm , GH = 21 cm , HF = 13 cm

Question 19

19.

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

(i)

PQ = 10 cm , QR = 11 cm , RP = 14 cm
(ii)

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

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

PQ = 11 cm , QR = 16 cm , RP = 10 cm
(v)

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

Question 20

20.

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

(i)

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

IJ = 13 cm , JK = 10 cm , KI = 16.4 cm
(iii)

IJ = 15 cm , JK = 12 cm , KI = 12 cm
(iv)

IJ = 14 cm , JK = 25 cm , KI = 14 cm
(v)

IJ = 11 cm , JK = 22 cm , KI = 14 cm

Question 21

21.

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

(i)

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

PQ = 13 cm , QR = 13 cm , RP = 11 cm
(iii)

PQ = 14 cm , QR = 11 cm , RP = 11 cm
(iv)

PQ = 14 cm , QR = 21 cm , RP = 12 cm
(v)

PQ = 12 cm , QR = 12 cm , RP = 16.97 cm

Question 22

22.

Which of the following are measures of an equilateral triangle ?

(i)

∠N = 60° , ∠O = 60° , ∠P = 60°
(ii)

∠N = 45° , ∠O = 90° , ∠P = 45°
(iii)

∠N = 47.16° , ∠O = 66.42° , ∠P = 66.42°
(iv)

∠N = 47.29° , ∠O = 90° , ∠P = 42.71°
(v)

∠N = 59.17° , ∠O = 51.32° , ∠P = 69.51°

Question 23

23.

Which of the following are measures of an isosceles triangle ?

(i)

∠E = 41.8° , ∠F = 91.04° , ∠G = 47.16°
(ii)

∠E = 77.36° , ∠F = 51.32° , ∠G = 51.32°
(iii)

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

∠E = 60° , ∠F = 60° , ∠G = 60°
(v)

∠E = 46.97° , ∠F = 90° , ∠G = 43.03°

Question 24

24.

Which of the following are measures of a scalene triangle ?

(i)

∠B = 81.08° , ∠C = 49.46° , ∠D = 49.46°
(ii)

∠B = 60° , ∠C = 60° , ∠D = 60°
(iii)

∠B = 45° , ∠C = 90° , ∠D = 45°
(iv)

∠B = 59.17° , ∠C = 69.51° , ∠D = 51.32°
(v)

∠B = 65.16° , ∠C = 57.42° , ∠D = 57.42°

Question 25

25.

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

(i)

∠C = 43.03° , ∠D = 90° , ∠E = 46.97°
(ii)

∠C = 60° , ∠D = 60° , ∠E = 60°
(iii)

∠C = 69.51° , ∠D = 51.32° , ∠E = 59.17°
(iv)

∠C = 130.54° , ∠D = 22.33° , ∠E = 27.13°
(v)

∠C = 91.04° , ∠D = 47.16° , ∠E = 41.8°

Question 26

26.

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

(i)

∠C = 60° , ∠D = 60° , ∠E = 60°
(ii)

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

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

∠C = 45° , ∠D = 90° , ∠E = 45°
(v)

∠C = 98.85° , ∠D = 42.54° , ∠E = 38.61°

Question 27

27.

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

(i)

∠N = 111.32° , ∠O = 32.64° , ∠P = 36.04°
(ii)

∠N = 67.38° , ∠O = 53.13° , ∠P = 59.49°
(iii)

∠N = 103.34° , ∠O = 35.1° , ∠P = 41.56°
(iv)

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

∠N = 45° , ∠O = 90° , ∠P = 45°

Question 28

28.

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

(i)

∠O = 122.08° , ∠P = 28.96° , ∠Q = 28.96°
(ii)

∠O = 45° , ∠P = 90° , ∠Q = 45°
(iii)

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

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

∠O = 42.27° , ∠P = 90° , ∠Q = 47.73°

Question 29

29.

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

(i)

FG = 11 cm , GH = 12 cm , HF = 14 cm
(ii)

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

FG = 8 cm , GH = 7 cm , HF = 17 cm
(iv)

FG = 11 cm , GH = 20 cm , HF = 7 cm
(v)

FG = 5 cm , GH = 20 cm , HF = 13 cm

Question 30

30.

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

(i)

∠D = 40.50° , ∠E = 50.30° , ∠F = 73.70°
(ii)

∠D = 110.70° , ∠E = 86.90° , ∠F = 115.80°
(iii)

∠D = 54.31° , ∠E = 71.38° , ∠F = 54.31°
(iv)

∠D = 76.20° , ∠E = 98.10° , ∠F = 51.70°
(v)

∠D = 103.70° , ∠E = 78.60° , ∠F = 58.20°

Assignment Key