EduSahara™ Worksheet

Question 1

1.

Which of the following are measures of an equilateral triangle ?

(i)

FG = 13 cm , GH = 14 cm , HF = 13 cm
(ii)

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

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

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

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

Question 2

2.

Which of the following are measures of an isosceles triangle ?

(i)

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

GH = 11 cm , HI = 12 cm , IG = 14 cm
(iii)

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

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

GH = 15 cm , HI = 11 cm , IG = 18.6 cm

Question 3

3.

Which of the following are measures of a scalene triangle ?

(i)

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

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

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

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

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

Question 4

4.

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

(i)

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

DE = 14 cm , EF = 10 cm , FD = 15 cm
(iii)

DE = 11 cm , EF = 10 cm , FD = 14.87 cm
(iv)

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

DE = 15 cm , EF = 23 cm , FD = 12 cm

Question 5

5.

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

(i)

DE = 14 cm , EF = 22 cm , FD = 12 cm
(ii)

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

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

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

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

Question 6

6.

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

(i)

OP = 15 cm , PQ = 22 cm , QO = 14 cm
(ii)

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

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

OP = 14 cm , PQ = 23 cm , QO = 13 cm
(v)

OP = 10 cm , PQ = 15 cm , QO = 18.03 cm

Question 7

7.

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

(i)

NO = 13 cm , OP = 11 cm , PN = 15 cm
(ii)

NO = 13 cm , OP = 13 cm , PN = 18.38 cm
(iii)

NO = 11 cm , OP = 21 cm , PN = 12 cm
(iv)

NO = 14 cm , OP = 10 cm , PN = 12 cm
(v)

NO = 10 cm , OP = 12 cm , PN = 15.62 cm

Question 8

8.

Which of the following are measures of an equilateral triangle ?

(i)

∠A = 64.78° , ∠B = 57.61° , ∠C = 57.61°
(ii)

∠A = 45° , ∠B = 90° , ∠C = 45°
(iii)

∠A = 47.49° , ∠B = 90° , ∠C = 42.51°
(iv)

∠A = 46.46° , ∠B = 81.28° , ∠C = 52.26°
(v)

∠A = 60° , ∠B = 60° , ∠C = 60°

Question 9

9.

Which of the following are measures of an isosceles triangle ?

(i)

∠J = 48.37° , ∠K = 55.3° , ∠L = 76.33°
(ii)

∠J = 40.24° , ∠K = 90° , ∠L = 49.76°
(iii)

∠J = 70.81° , ∠K = 61.28° , ∠L = 47.91°
(iv)

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

∠J = 60° , ∠K = 60° , ∠L = 60°

Question 10

10.

Which of the following are measures of a scalene triangle ?

(i)

∠J = 59.41° , ∠K = 52.62° , ∠L = 67.97°
(ii)

∠J = 60° , ∠K = 60° , ∠L = 60°
(iii)

∠J = 45° , ∠K = 90° , ∠L = 45°
(iv)

∠J = 88.86° , ∠K = 45.57° , ∠L = 45.57°
(v)

∠J = 70.46° , ∠K = 54.77° , ∠L = 54.77°

Question 11

11.

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

(i)

∠M = 40.16° , ∠N = 64.53° , ∠O = 75.31°
(ii)

∠M = 42.27° , ∠N = 90° , ∠O = 47.73°
(iii)

∠M = 100.29° , ∠N = 43.53° , ∠O = 36.18°
(iv)

∠M = 60° , ∠N = 60° , ∠O = 60°

Question 12

12.

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

(i)

∠B = 60° , ∠C = 60° , ∠D = 60°
(ii)

∠B = 64.63° , ∠C = 64.62° , ∠D = 50.75°
(iii)

∠B = 100.56° , ∠C = 39.72° , ∠D = 39.72°
(iv)

∠B = 45° , ∠C = 90° , ∠D = 45°
(v)

∠B = 45.21° , ∠C = 83.47° , ∠D = 51.32°

Question 13

13.

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

(i)

∠D = 53.75° , ∠E = 90° , ∠F = 36.25°
(ii)

∠D = 131.42° , ∠E = 27.66° , ∠F = 20.92°
(iii)

∠D = 113.74° , ∠E = 37.61° , ∠F = 28.65°
(iv)

∠D = 83.47° , ∠E = 45.21° , ∠F = 51.32°
(v)

∠D = 45° , ∠E = 90° , ∠F = 45°

Question 14

14.

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

(i)

∠J = 48.74° , ∠K = 69.98° , ∠L = 61.28°
(ii)

∠J = 59.3° , ∠K = 52.02° , ∠L = 68.68°
(iii)

∠J = 47.73° , ∠K = 90° , ∠L = 42.27°
(iv)

∠J = 137.92° , ∠K = 21.04° , ∠L = 21.04°
(v)

∠J = 45° , ∠K = 90° , ∠L = 45°

Question 15

15.

Which of the following are measures of an equilateral triangle ?

(i)

BC = 11 cm , CD = 12 cm , DB = 11 cm
(ii)

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

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

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

BC = 12 cm , CD = 15 cm , DB = 19.21 cm

Question 16

16.

Which of the following are measures of an isosceles triangle ?

(i)

EF = 11 cm , FG = 13 cm , GE = 15 cm
(ii)

EF = 11 cm , FG = 13 cm , GE = 11 cm
(iii)

EF = 13 cm , FG = 14 cm , GE = 12 cm
(iv)

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

EF = 12 cm , FG = 13 cm , GE = 17.69 cm

Question 17

17.

Which of the following are measures of a scalene triangle ?

(i)

LM = 11 cm , MN = 12 cm , NL = 14 cm
(ii)

LM = 14 cm , MN = 14 cm , NL = 19.8 cm
(iii)

LM = 10 cm , MN = 10 cm , NL = 10 cm
(iv)

LM = 13 cm , MN = 14 cm , NL = 13 cm
(v)

LM = 11 cm , MN = 12 cm , NL = 11 cm

Question 18

18.

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

(i)

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

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

GH = 11 cm , HI = 22 cm , IG = 13 cm
(iv)

GH = 13 cm , HI = 15 cm , IG = 19.85 cm
(v)

GH = 15 cm , HI = 12 cm , IG = 11 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 = 13 cm , JK = 24 cm , KI = 13 cm
(iii)

IJ = 11 cm , JK = 10 cm , KI = 11 cm
(iv)

IJ = 15 cm , JK = 15 cm , KI = 21.21 cm
(v)

IJ = 14 cm , JK = 10 cm , KI = 13 cm

Question 20

20.

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

(i)

NO = 11 cm , OP = 11 cm , PN = 15.56 cm
(ii)

NO = 10 cm , OP = 12 cm , PN = 15.62 cm
(iii)

NO = 12 cm , OP = 22 cm , PN = 13 cm
(iv)

NO = 15 cm , OP = 24 cm , PN = 14 cm
(v)

NO = 14 cm , OP = 13 cm , PN = 13 cm

Question 21

21.

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

(i)

FG = 10 cm , GH = 18 cm , HF = 12 cm
(ii)

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

FG = 12 cm , GH = 13 cm , HF = 12 cm
(iv)

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

FG = 15 cm , GH = 14 cm , HF = 20.52 cm

Question 22

22.

Which of the following are measures of an equilateral triangle ?

(i)

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

∠K = 97.18° , ∠L = 41.41° , ∠M = 41.41°
(iii)

∠K = 56.25° , ∠L = 50.13° , ∠M = 73.62°
(iv)

∠K = 45° , ∠L = 90° , ∠M = 45°
(v)

∠K = 60° , ∠L = 60° , ∠M = 60°

Question 23

23.

Which of the following are measures of an isosceles triangle ?

(i)

∠C = 57.56° , ∠D = 76.87° , ∠E = 45.57°
(ii)

∠C = 37.57° , ∠D = 90° , ∠E = 52.43°
(iii)

∠C = 45.21° , ∠D = 83.47° , ∠E = 51.32°
(iv)

∠C = 60° , ∠D = 60° , ∠E = 60°
(v)

∠C = 97.18° , ∠D = 41.41° , ∠E = 41.41°

Question 24

24.

Which of the following are measures of a scalene triangle ?

(i)

∠B = 45° , ∠C = 90° , ∠D = 45°
(ii)

∠B = 77.36° , ∠C = 51.32° , ∠D = 51.32°
(iii)

∠B = 60° , ∠C = 60° , ∠D = 60°
(iv)

∠B = 70.46° , ∠C = 54.77° , ∠D = 54.77°
(v)

∠B = 75.31° , ∠C = 40.16° , ∠D = 64.53°

Question 25

25.

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

(i)

∠J = 111.8° , ∠K = 40.54° , ∠L = 27.66°
(ii)

∠J = 40.16° , ∠K = 75.31° , ∠L = 64.53°
(iii)

∠J = 36.25° , ∠K = 90° , ∠L = 53.75°
(iv)

∠J = 60° , ∠K = 60° , ∠L = 60°
(v)

∠J = 85.46° , ∠K = 41.65° , ∠L = 52.89°

Question 26

26.

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

(i)

∠A = 60° , ∠B = 60° , ∠C = 60°
(ii)

∠A = 49.25° , ∠B = 65.37° , ∠C = 65.38°
(iii)

∠A = 92.61° , ∠B = 52.06° , ∠C = 35.33°
(iv)

∠A = 45° , ∠B = 90° , ∠C = 45°
(v)

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

Question 27

27.

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

(i)

∠I = 97.18° , ∠J = 41.41° , ∠K = 41.41°
(ii)

∠I = 98.85° , ∠J = 42.54° , ∠K = 38.61°
(iii)

∠I = 70.81° , ∠J = 61.28° , ∠K = 47.91°
(iv)

∠I = 45° , ∠J = 90° , ∠K = 45°
(v)

∠I = 53.75° , ∠J = 90° , ∠K = 36.25°

Question 28

28.

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

(i)

∠I = 60° , ∠J = 60° , ∠K = 60°
(ii)

∠I = 45° , ∠J = 90° , ∠K = 45°
(iii)

∠I = 67.97° , ∠J = 59.41° , ∠K = 52.62°
(iv)

∠I = 38.66° , ∠J = 90° , ∠K = 51.34°
(v)

∠I = 94.41° , ∠J = 49.68° , ∠K = 35.91°

Question 29

29.

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

(i)

DE = 15 cm , EF = 10 cm , FD = 11 cm
(ii)

DE = 5 cm , EF = 9 cm , FD = 16 cm
(iii)

DE = 5 cm , EF = 9 cm , FD = 18 cm
(iv)

DE = 10 cm , EF = 5 cm , FD = 18 cm
(v)

DE = 11 cm , EF = 6 cm , FD = 18 cm

Question 30

30.

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

(i)

∠G = 110.20° , ∠H = 108.60° , ∠I = 112.70°
(ii)

∠G = 114.20° , ∠H = 96.30° , ∠I = 94.70°
(iii)

∠G = 86.60° , ∠H = 120.40° , ∠I = 33.60°
(iv)

∠G = 57.50° , ∠H = 78.50° , ∠I = 97.40°
(v)

∠G = 62.18° , ∠H = 55.64° , ∠I = 62.18°

Assignment Key