EduSahara™ Worksheet

Question 1

1.

Which of the following are measures of an equilateral triangle ?

(i)

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

FG = 15 cm , GH = 12 cm , HF = 14 cm
(iii)

FG = 15 cm , GH = 15 cm , HF = 21.21 cm
(iv)

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

FG = 10 cm , GH = 12 cm , HF = 15.62 cm

Question 2

2.

Which of the following are measures of an isosceles triangle ?

(i)

DE = 14 cm , EF = 13 cm , FD = 12 cm
(ii)

DE = 12 cm , EF = 13 cm , FD = 11 cm
(iii)

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

DE = 11 cm , EF = 12 cm , FD = 16.28 cm
(v)

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

Question 3

3.

Which of the following are measures of a scalene triangle ?

(i)

HI = 10 cm , IJ = 13 cm , JH = 10 cm
(ii)

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

HI = 11 cm , IJ = 12 cm , JH = 11 cm
(iv)

HI = 15 cm , IJ = 15 cm , JH = 15 cm
(v)

HI = 12 cm , IJ = 14 cm , JH = 11 cm

Question 4

4.

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

(i)

LM = 10 cm , MN = 15 cm , NL = 12 cm
(ii)

LM = 10 cm , MN = 14 cm , NL = 15 cm
(iii)

LM = 11 cm , MN = 23 cm , NL = 15 cm
(iv)

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

LM = 10 cm , MN = 13 cm , NL = 16.4 cm

Question 5

5.

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

(i)

GH = 10 cm , HI = 13 cm , IG = 14 cm
(ii)

GH = 11 cm , HI = 11 cm , IG = 15.56 cm
(iii)

GH = 10 cm , HI = 14 cm , IG = 15 cm
(iv)

GH = 10 cm , HI = 17 cm , IG = 10 cm
(v)

GH = 10 cm , HI = 10 cm , IG = 10 cm

Question 6

6.

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

(i)

IJ = 14 cm , JK = 13 cm , KI = 12 cm
(ii)

IJ = 15 cm , JK = 22 cm , KI = 12 cm
(iii)

IJ = 13 cm , JK = 23 cm , KI = 15 cm
(iv)

IJ = 11 cm , JK = 13 cm , KI = 17.03 cm
(v)

IJ = 15 cm , JK = 15 cm , KI = 21.21 cm

Question 7

7.

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

(i)

FG = 10 cm , GH = 10 cm , HF = 14 cm
(ii)

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

FG = 10 cm , GH = 10 cm , HF = 14.14 cm
(iv)

FG = 14 cm , GH = 23 cm , HF = 11 cm
(v)

FG = 12 cm , GH = 15 cm , HF = 19.21 cm

Question 8

8.

Which of the following are measures of an equilateral triangle ?

(i)

∠L = 45° , ∠M = 90° , ∠N = 45°
(ii)

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

∠L = 60° , ∠M = 60° , ∠N = 60°
(iv)

∠L = 97.18° , ∠M = 41.41° , ∠N = 41.41°
(v)

∠L = 39.81° , ∠M = 90° , ∠N = 50.19°

Question 9

9.

Which of the following are measures of an isosceles triangle ?

(i)

∠N = 38.66° , ∠O = 90° , ∠P = 51.34°
(ii)

∠N = 61.28° , ∠O = 70.81° , ∠P = 47.91°
(iii)

∠N = 60° , ∠O = 60° , ∠P = 60°
(iv)

∠N = 38.94° , ∠O = 70.53° , ∠P = 70.53°
(v)

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

Question 10

10.

Which of the following are measures of a scalene triangle ?

(i)

∠D = 64.78° , ∠E = 57.61° , ∠F = 57.61°
(ii)

∠D = 60° , ∠E = 60° , ∠F = 60°
(iii)

∠D = 85.98° , ∠E = 47.01° , ∠F = 47.01°
(iv)

∠D = 55.83° , ∠E = 74.85° , ∠F = 49.32°
(v)

∠D = 45° , ∠E = 90° , ∠F = 45°

Question 11

11.

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

(i)

∠F = 54.77° , ∠G = 70.46° , ∠H = 54.77°
(ii)

∠F = 112.75° , ∠G = 41.2° , ∠H = 26.05°
(iii)

∠F = 47.29° , ∠G = 90° , ∠H = 42.71°
(iv)

∠F = 60° , ∠G = 60° , ∠H = 60°
(v)

∠F = 48.37° , ∠G = 76.33° , ∠H = 55.3°

Question 12

12.

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

(i)

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

∠H = 59.41° , ∠I = 67.97° , ∠J = 52.62°
(iii)

∠H = 60° , ∠I = 60° , ∠J = 60°
(iv)

∠H = 45° , ∠I = 90° , ∠J = 45°
(v)

∠H = 92.61° , ∠I = 52.06° , ∠J = 35.33°

Question 13

13.

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

(i)

∠D = 45° , ∠E = 90° , ∠F = 45°
(ii)

∠D = 117.92° , ∠E = 32.68° , ∠F = 29.4°
(iii)

∠D = 47.12° , ∠E = 90° , ∠F = 42.88°
(iv)

∠D = 94.94° , ∠E = 48.35° , ∠F = 36.71°
(v)

∠D = 57.56° , ∠E = 76.87° , ∠F = 45.57°

Question 14

14.

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

(i)

∠J = 33.69° , ∠K = 90° , ∠L = 56.31°
(ii)

∠J = 67.38° , ∠K = 59.49° , ∠L = 53.13°
(iii)

∠J = 67.38° , ∠K = 53.13° , ∠L = 59.49°
(iv)

∠J = 45° , ∠K = 90° , ∠L = 45°
(v)

∠J = 107.5° , ∠K = 39.48° , ∠L = 33.02°

Question 15

15.

Which of the following are measures of an equilateral triangle ?

(i)

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

PQ = 11 cm , QR = 15 cm , RP = 13 cm
(iii)

PQ = 14 cm , QR = 14 cm , RP = 19.8 cm
(iv)

PQ = 10 cm , QR = 14 cm , RP = 10 cm
(v)

PQ = 10 cm , QR = 12 cm , RP = 15.62 cm

Question 16

16.

Which of the following are measures of an isosceles triangle ?

(i)

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

IJ = 12 cm , JK = 13 cm , KI = 17.69 cm
(iii)

IJ = 13 cm , JK = 11 cm , KI = 14 cm
(iv)

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

IJ = 10 cm , JK = 14 cm , KI = 12 cm

Question 17

17.

Which of the following are measures of a scalene triangle ?

(i)

JK = 10 cm , KL = 11 cm , LJ = 10 cm
(ii)

JK = 15 cm , KL = 15 cm , LJ = 21.21 cm
(iii)

JK = 12 cm , KL = 11 cm , LJ = 12 cm
(iv)

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

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

Question 18

18.

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

(i)

EF = 11 cm , FG = 13 cm , GE = 17.03 cm
(ii)

EF = 14 cm , FG = 15 cm , GE = 13 cm
(iii)

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

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

EF = 12 cm , FG = 19 cm , GE = 10 cm

Question 19

19.

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

(i)

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

GH = 10 cm , HI = 19 cm , IG = 13 cm
(iii)

GH = 14 cm , HI = 14 cm , IG = 19.8 cm
(iv)

GH = 13 cm , HI = 11 cm , IG = 14 cm
(v)

GH = 10 cm , HI = 12 cm , IG = 14 cm

Question 20

20.

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

(i)

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

DE = 12 cm , EF = 14 cm , FD = 18.44 cm
(iii)

DE = 12 cm , EF = 24 cm , FD = 14 cm
(iv)

DE = 15 cm , EF = 19 cm , FD = 10 cm
(v)

DE = 13 cm , EF = 13 cm , FD = 18.38 cm

Question 21

21.

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

(i)

JK = 14 cm , KL = 10 cm , LJ = 14 cm
(ii)

JK = 11 cm , KL = 21 cm , LJ = 14 cm
(iii)

JK = 14 cm , KL = 12 cm , LJ = 18.44 cm
(iv)

JK = 12 cm , KL = 12 cm , LJ = 16.97 cm
(v)

JK = 13 cm , KL = 12 cm , LJ = 11 cm

Question 22

22.

Which of the following are measures of an equilateral triangle ?

(i)

∠K = 47.12° , ∠L = 90° , ∠M = 42.88°
(ii)

∠K = 45° , ∠L = 90° , ∠M = 45°
(iii)

∠K = 40.16° , ∠L = 64.53° , ∠M = 75.31°
(iv)

∠K = 65.6° , ∠L = 57.2° , ∠M = 57.2°
(v)

∠K = 60° , ∠L = 60° , ∠M = 60°

Question 23

23.

Which of the following are measures of an isosceles triangle ?

(i)

∠B = 85.98° , ∠C = 47.01° , ∠D = 47.01°
(ii)

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

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

∠B = 39.81° , ∠C = 90° , ∠D = 50.19°
(v)

∠B = 60° , ∠C = 60° , ∠D = 60°

Question 24

24.

Which of the following are measures of a scalene triangle ?

(i)

∠C = 72.44° , ∠D = 53.78° , ∠E = 53.78°
(ii)

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

∠C = 60° , ∠D = 60° , ∠E = 60°
(iv)

∠C = 45° , ∠D = 90° , ∠E = 45°

Question 25

25.

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

(i)

∠C = 42.51° , ∠D = 90° , ∠E = 47.49°
(ii)

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

∠C = 60° , ∠D = 60° , ∠E = 60°
(iv)

∠C = 123.24° , ∠D = 27.14° , ∠E = 29.62°
(v)

∠C = 41.65° , ∠D = 85.46° , ∠E = 52.89°

Question 26

26.

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

(i)

∠P = 60° , ∠Q = 60° , ∠R = 60°
(ii)

∠P = 48.37° , ∠Q = 76.33° , ∠R = 55.3°
(iii)

∠P = 134.62° , ∠Q = 20.85° , ∠R = 24.53°
(iv)

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

∠P = 45° , ∠Q = 90° , ∠R = 45°

Question 27

27.

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

(i)

∠G = 45° , ∠H = 90° , ∠I = 45°
(ii)

∠G = 52.43° , ∠H = 90° , ∠I = 37.57°
(iii)

∠G = 109.47° , ∠H = 38.94° , ∠I = 31.59°
(iv)

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

∠G = 97.18° , ∠H = 41.41° , ∠I = 41.41°

Question 28

28.

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

(i)

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

∠P = 116.78° , ∠Q = 32.92° , ∠R = 30.3°
(iii)

∠P = 45° , ∠Q = 90° , ∠R = 45°
(iv)

∠P = 54.97° , ∠Q = 62.52° , ∠R = 62.51°
(v)

∠P = 48.37° , ∠Q = 55.3° , ∠R = 76.33°

Question 29

29.

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

(i)

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

FG = 9 cm , GH = 20 cm , HF = 9 cm
(iii)

FG = 7 cm , GH = 5 cm , HF = 14 cm
(iv)

FG = 5 cm , GH = 18 cm , HF = 6 cm
(v)

FG = 18 cm , GH = 10 cm , HF = 7 cm

Question 30

30.

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

(i)

∠C = 105.70° , ∠D = 120.30° , ∠E = 49.30°
(ii)

∠C = 52.80° , ∠D = 119.10° , ∠E = 35.50°
(iii)

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

∠C = 45.80° , ∠D = 62.80° , ∠E = 68.30°
(v)

∠C = 86.60° , ∠D = 89.90° , ∠E = 93.40°

Assignment Key