EduSahara™ Worksheet

Question 1

1.

Which of the following are measures of an equilateral triangle ?

(i)

HI = 12 cm , IJ = 13 cm , JH = 17.69 cm
(ii)

HI = 12 cm , IJ = 14 cm , JH = 12 cm
(iii)

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

HI = 11 cm , IJ = 11 cm , JH = 15.56 cm
(v)

HI = 12 cm , IJ = 14 cm , JH = 10 cm

Question 2

2.

Which of the following are measures of an isosceles triangle ?

(i)

AB = 15 cm , BC = 13 cm , CA = 14 cm
(ii)

AB = 14 cm , BC = 13 cm , CA = 19.1 cm
(iii)

AB = 13 cm , BC = 10 cm , CA = 15 cm
(iv)

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

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

Question 3

3.

Which of the following are measures of a scalene triangle ?

(i)

LM = 10 cm , MN = 10 cm , NL = 14.14 cm
(ii)

LM = 13 cm , MN = 13 cm , NL = 13 cm
(iii)

LM = 12 cm , MN = 14 cm , NL = 12 cm
(iv)

LM = 10 cm , MN = 11 cm , NL = 10 cm
(v)

LM = 10 cm , MN = 12 cm , NL = 15 cm

Question 4

4.

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

(i)

DE = 14 cm , EF = 15 cm , FD = 13 cm
(ii)

DE = 13 cm , EF = 14 cm , FD = 14 cm
(iii)

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

DE = 10 cm , EF = 20 cm , FD = 13 cm
(v)

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

Question 5

5.

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

(i)

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

DE = 10 cm , EF = 10 cm , FD = 14.14 cm
(iii)

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

DE = 15 cm , EF = 26 cm , FD = 14 cm
(v)

DE = 12 cm , EF = 15 cm , FD = 14 cm

Question 6

6.

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

(i)

BC = 12 cm , CD = 17 cm , DB = 11 cm
(ii)

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

BC = 14 cm , CD = 14 cm , DB = 19.8 cm
(iv)

BC = 12 cm , CD = 13 cm , DB = 17.69 cm
(v)

BC = 10 cm , CD = 16 cm , DB = 11 cm

Question 7

7.

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

(i)

OP = 10 cm , PQ = 17 cm , QO = 13 cm
(ii)

OP = 14 cm , PQ = 11 cm , QO = 12 cm
(iii)

OP = 11 cm , PQ = 13 cm , QO = 10 cm
(iv)

OP = 11 cm , PQ = 15 cm , QO = 18.6 cm
(v)

OP = 15 cm , PQ = 15 cm , QO = 21.21 cm

Question 8

8.

Which of the following are measures of an equilateral triangle ?

(i)

∠O = 68.68° , ∠P = 59.3° , ∠Q = 52.02°
(ii)

∠O = 45° , ∠P = 90° , ∠Q = 45°
(iii)

∠O = 60° , ∠P = 60° , ∠Q = 60°
(iv)

∠O = 47.49° , ∠P = 90° , ∠Q = 42.51°
(v)

∠O = 64.78° , ∠P = 57.61° , ∠Q = 57.61°

Question 9

9.

Which of the following are measures of an isosceles triangle ?

(i)

∠F = 33.69° , ∠G = 90° , ∠H = 56.31°
(ii)

∠F = 50.06° , ∠G = 64.97° , ∠H = 64.97°
(iii)

∠F = 76.87° , ∠G = 57.56° , ∠H = 45.57°
(iv)

∠F = 59.41° , ∠G = 67.97° , ∠H = 52.62°
(v)

∠F = 60° , ∠G = 60° , ∠H = 60°

Question 10

10.

Which of the following are measures of a scalene triangle ?

(i)

∠F = 67.97° , ∠G = 52.62° , ∠H = 59.41°
(ii)

∠F = 79.04° , ∠G = 50.48° , ∠H = 50.48°
(iii)

∠F = 45.24° , ∠G = 67.38° , ∠H = 67.38°
(iv)

∠F = 60° , ∠G = 60° , ∠H = 60°
(v)

∠F = 45° , ∠G = 90° , ∠H = 45°

Question 11

11.

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

(i)

∠F = 99.15° , ∠G = 38.1° , ∠H = 42.75°
(ii)

∠F = 33.69° , ∠G = 90° , ∠H = 56.31°
(iii)

∠F = 60° , ∠G = 60° , ∠H = 60°
(iv)

∠F = 56.25° , ∠G = 50.13° , ∠H = 73.62°
(v)

∠F = 62.33° , ∠G = 62.34° , ∠H = 55.33°

Question 12

12.

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

(i)

∠A = 60° , ∠B = 60° , ∠C = 60°
(ii)

∠A = 91.3° , ∠B = 51.04° , ∠C = 37.66°
(iii)

∠A = 45° , ∠B = 90° , ∠C = 45°
(iv)

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

∠A = 73.62° , ∠B = 50.13° , ∠C = 56.25°

Question 13

13.

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

(i)

∠L = 65.6° , ∠M = 57.2° , ∠N = 57.2°
(ii)

∠L = 38.16° , ∠M = 90° , ∠N = 51.84°
(iii)

∠L = 45° , ∠M = 90° , ∠N = 45°
(iv)

∠L = 100.8° , ∠M = 35.3° , ∠N = 43.9°
(v)

∠L = 109.47° , ∠M = 38.94° , ∠N = 31.59°

Question 14

14.

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

(i)

∠F = 62.18° , ∠G = 62.18° , ∠H = 55.64°
(ii)

∠F = 45° , ∠G = 90° , ∠H = 45°
(iii)

∠F = 61.26° , ∠G = 71.79° , ∠H = 46.95°
(iv)

∠F = 131.81° , ∠G = 25.21° , ∠H = 22.98°
(v)

∠F = 37.57° , ∠G = 90° , ∠H = 52.43°

Question 15

15.

Which of the following are measures of an equilateral triangle ?

(i)

JK = 12 cm , KL = 15 cm , LJ = 12 cm
(ii)

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

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

JK = 13 cm , KL = 12 cm , LJ = 17.69 cm
(v)

JK = 14 cm , KL = 12 cm , LJ = 11 cm

Question 16

16.

Which of the following are measures of an isosceles triangle ?

(i)

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

JK = 11 cm , KL = 12 cm , LJ = 13 cm
(iii)

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

JK = 15 cm , KL = 12 cm , LJ = 11 cm
(v)

JK = 15 cm , KL = 13 cm , LJ = 19.85 cm

Question 17

17.

Which of the following are measures of a scalene triangle ?

(i)

LM = 10 cm , MN = 11 cm , NL = 10 cm
(ii)

LM = 12 cm , MN = 13 cm , NL = 12 cm
(iii)

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

LM = 10 cm , MN = 12 cm , NL = 14 cm
(v)

LM = 13 cm , MN = 13 cm , NL = 18.38 cm

Question 18

18.

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

(i)

BC = 12 cm , CD = 19 cm , DB = 11 cm
(ii)

BC = 12 cm , CD = 13 cm , DB = 17.69 cm
(iii)

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

BC = 15 cm , CD = 11 cm , DB = 15 cm
(v)

BC = 15 cm , CD = 10 cm , DB = 11 cm

Question 19

19.

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

(i)

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

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

EF = 10 cm , FG = 10 cm , GE = 14.14 cm
(iv)

EF = 12 cm , FG = 10 cm , GE = 11 cm
(v)

EF = 11 cm , FG = 19 cm , GE = 10 cm

Question 20

20.

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

(i)

JK = 10 cm , KL = 10 cm , LJ = 14.14 cm
(ii)

JK = 12 cm , KL = 22 cm , LJ = 12 cm
(iii)

JK = 12 cm , KL = 24 cm , LJ = 14 cm
(iv)

JK = 13 cm , KL = 14 cm , LJ = 12 cm
(v)

JK = 15 cm , KL = 11 cm , LJ = 18.6 cm

Question 21

21.

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

(i)

JK = 15 cm , KL = 11 cm , LJ = 18.6 cm
(ii)

JK = 10 cm , KL = 10 cm , LJ = 14.14 cm
(iii)

JK = 12 cm , KL = 15 cm , LJ = 13 cm
(iv)

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

JK = 11 cm , KL = 22 cm , LJ = 15 cm

Question 22

22.

Which of the following are measures of an equilateral triangle ?

(i)

∠D = 60° , ∠E = 60° , ∠F = 60°
(ii)

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

∠D = 45° , ∠E = 90° , ∠F = 45°
(iv)

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

∠D = 81.08° , ∠E = 49.46° , ∠F = 49.46°

Question 23

23.

Which of the following are measures of an isosceles triangle ?

(i)

∠K = 60° , ∠L = 60° , ∠M = 60°
(ii)

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

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

∠K = 33.69° , ∠L = 90° , ∠M = 56.31°
(v)

∠K = 47.16° , ∠L = 66.42° , ∠M = 66.42°

Question 24

24.

Which of the following are measures of a scalene triangle ?

(i)

∠K = 73.74° , ∠L = 53.13° , ∠M = 53.13°
(ii)

∠K = 41.65° , ∠L = 85.46° , ∠M = 52.89°
(iii)

∠K = 88.86° , ∠L = 45.57° , ∠M = 45.57°
(iv)

∠K = 60° , ∠L = 60° , ∠M = 60°
(v)

∠K = 45° , ∠L = 90° , ∠M = 45°

Question 25

25.

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

(i)

∠N = 72.62° , ∠O = 44.42° , ∠P = 62.96°
(ii)

∠N = 99.15° , ∠O = 38.1° , ∠P = 42.75°
(iii)

∠N = 60° , ∠O = 60° , ∠P = 60°
(iv)

∠N = 69.51° , ∠O = 51.32° , ∠P = 59.17°
(v)

∠N = 46.97° , ∠O = 90° , ∠P = 43.03°

Question 26

26.

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

(i)

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

∠B = 119.46° , ∠C = 30.27° , ∠D = 30.27°
(iii)

∠B = 81.28° , ∠C = 46.46° , ∠D = 52.26°
(iv)

∠B = 45° , ∠C = 90° , ∠D = 45°
(v)

∠B = 60° , ∠C = 60° , ∠D = 60°

Question 27

27.

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

(i)

∠E = 45° , ∠F = 90° , ∠G = 45°
(ii)

∠E = 119.46° , ∠F = 30.27° , ∠G = 30.27°
(iii)

∠E = 42.27° , ∠F = 90° , ∠G = 47.73°
(iv)

∠E = 92.02° , ∠F = 46.2° , ∠G = 41.78°
(v)

∠E = 51.32° , ∠F = 45.21° , ∠G = 83.47°

Question 28

28.

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

(i)

∠M = 45° , ∠N = 90° , ∠O = 45°
(ii)

∠M = 71.79° , ∠N = 61.26° , ∠O = 46.95°
(iii)

∠M = 38.16° , ∠N = 90° , ∠O = 51.84°
(iv)

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

∠M = 91.04° , ∠N = 41.8° , ∠O = 47.16°

Question 29

29.

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

(i)

PQ = 10 cm , QR = 14 cm , RP = 13 cm
(ii)

PQ = 17 cm , QR = 5 cm , RP = 7 cm
(iii)

PQ = 8 cm , QR = 6 cm , RP = 18 cm
(iv)

PQ = 5 cm , QR = 20 cm , RP = 9 cm
(v)

PQ = 20 cm , QR = 8 cm , RP = 5 cm

Question 30

30.

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

(i)

∠E = 66.60° , ∠F = 86.60° , ∠G = 67.70°
(ii)

∠E = 41.20° , ∠F = 57.10° , ∠G = 117.10°
(iii)

∠E = 68.60° , ∠F = 63.80° , ∠G = 81.70°
(iv)

∠E = 66.42° , ∠F = 66.42° , ∠G = 47.16°
(v)

∠E = 31.90° , ∠F = 60.80° , ∠G = 62.80°

Assignment Key