EduSahara™ Worksheet

Question 1

1.

Which of the following are measures of an equilateral triangle ?

(i)

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

LM = 12 cm , MN = 12 cm , NL = 16.97 cm
(iii)

LM = 13 cm , MN = 11 cm , NL = 17.03 cm
(iv)

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

LM = 11 cm , MN = 10 cm , NL = 14 cm

Question 2

2.

Which of the following are measures of an isosceles triangle ?

(i)

LM = 11 cm , MN = 14 cm , NL = 13 cm
(ii)

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

LM = 15 cm , MN = 14 cm , NL = 20.52 cm
(iv)

LM = 13 cm , MN = 12 cm , NL = 14 cm
(v)

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

Question 3

3.

Which of the following are measures of a scalene triangle ?

(i)

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

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

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

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

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

Question 4

4.

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

(i)

FG = 11 cm , GH = 13 cm , HF = 17.03 cm
(ii)

FG = 10 cm , GH = 12 cm , HF = 14 cm
(iii)

FG = 14 cm , GH = 20 cm , HF = 10 cm
(iv)

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

FG = 12 cm , GH = 14 cm , HF = 15 cm

Question 5

5.

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

(i)

CD = 11 cm , DE = 13 cm , EC = 15 cm
(ii)

CD = 13 cm , DE = 15 cm , EC = 10 cm
(iii)

CD = 14 cm , DE = 20 cm , EC = 10 cm
(iv)

CD = 13 cm , DE = 13 cm , EC = 13 cm
(v)

CD = 15 cm , DE = 15 cm , EC = 21.21 cm

Question 6

6.

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

(i)

EF = 14 cm , FG = 24 cm , GE = 13 cm
(ii)

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

EF = 11 cm , FG = 23 cm , GE = 14 cm
(iv)

EF = 10 cm , FG = 13 cm , GE = 16.4 cm
(v)

EF = 15 cm , FG = 11 cm , GE = 12 cm

Question 7

7.

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

(i)

LM = 13 cm , MN = 13 cm , NL = 18.38 cm
(ii)

LM = 13 cm , MN = 10 cm , NL = 16.4 cm
(iii)

LM = 15 cm , MN = 13 cm , NL = 11 cm
(iv)

LM = 11 cm , MN = 19 cm , NL = 13 cm
(v)

LM = 11 cm , MN = 12 cm , NL = 13 cm

Question 8

8.

Which of the following are measures of an equilateral triangle ?

(i)

MN = 12 cm , NO = 10 cm , OM = 14 cm
(ii)

MN = 13 cm , NO = 10 cm , OM = 13 cm
(iii)

MN = 14 cm , NO = 14 cm , OM = 14 cm
(iv)

MN = 15 cm , NO = 11 cm , OM = 18.6 cm
(v)

MN = 15 cm , NO = 15 cm , OM = 21.21 cm

Question 9

9.

Which of the following are measures of an isosceles triangle ?

(i)

HI = 10 cm , IJ = 12 cm , JH = 15.62 cm
(ii)

HI = 15 cm , IJ = 10 cm , JH = 13 cm
(iii)

HI = 14 cm , IJ = 15 cm , JH = 14 cm
(iv)

HI = 14 cm , IJ = 10 cm , JH = 12 cm
(v)

HI = 14 cm , IJ = 14 cm , JH = 14 cm

Question 10

10.

Which of the following are measures of a scalene triangle ?

(i)

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

FG = 10 cm , GH = 12 cm , HF = 10 cm
(iii)

FG = 13 cm , GH = 13 cm , HF = 18.38 cm
(iv)

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

FG = 15 cm , GH = 14 cm , HF = 12 cm

Question 11

11.

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

(i)

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

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

DE = 12 cm , EF = 11 cm , FD = 10 cm
(iv)

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

DE = 13 cm , EF = 10 cm , FD = 11 cm

Question 12

12.

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

(i)

BC = 11 cm , CD = 13 cm , DB = 10 cm
(ii)

BC = 11 cm , CD = 13 cm , DB = 13 cm
(iii)

BC = 15 cm , CD = 15 cm , DB = 21.21 cm
(iv)

BC = 12 cm , CD = 22 cm , DB = 14 cm
(v)

BC = 14 cm , CD = 14 cm , DB = 14 cm

Question 13

13.

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

(i)

JK = 12 cm , KL = 18 cm , LJ = 12 cm
(ii)

JK = 13 cm , KL = 23 cm , LJ = 13 cm
(iii)

JK = 10 cm , KL = 12 cm , LJ = 12 cm
(iv)

JK = 14 cm , KL = 14 cm , LJ = 19.8 cm
(v)

JK = 12 cm , KL = 10 cm , LJ = 15.62 cm

Question 14

14.

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

(i)

PQ = 12 cm , QR = 12 cm , RP = 16.97 cm
(ii)

PQ = 15 cm , QR = 19 cm , RP = 11 cm
(iii)

PQ = 14 cm , QR = 10 cm , RP = 17.2 cm
(iv)

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

PQ = 15 cm , QR = 14 cm , RP = 10 cm

Question 15

15.

Which of the following are measures of an equilateral triangle ?

(i)

∠G = 38.94° , ∠H = 70.53° , ∠I = 70.53°
(ii)

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

∠G = 60° , ∠H = 60° , ∠I = 60°
(iv)

∠G = 46.95° , ∠H = 61.26° , ∠I = 71.79°
(v)

∠G = 45° , ∠H = 90° , ∠I = 45°

Question 16

16.

Which of the following are measures of an isosceles triangle ?

(i)

∠P = 60° , ∠Q = 60° , ∠R = 60°
(ii)

∠P = 72.44° , ∠Q = 53.78° , ∠R = 53.78°
(iii)

∠P = 51.32° , ∠Q = 83.47° , ∠R = 45.21°
(iv)

∠P = 46.97° , ∠Q = 90° , ∠R = 43.03°
(v)

∠P = 45.57° , ∠Q = 76.87° , ∠R = 57.56°

Question 17

17.

Which of the following are measures of a scalene triangle ?

(i)

∠N = 45° , ∠O = 90° , ∠P = 45°
(ii)

∠N = 41.8° , ∠O = 91.04° , ∠P = 47.16°
(iii)

∠N = 60° , ∠O = 60° , ∠P = 60°
(iv)

∠N = 85.98° , ∠O = 47.01° , ∠P = 47.01°
(v)

∠N = 66.12° , ∠O = 56.94° , ∠P = 56.94°

Question 18

18.

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

(i)

∠L = 104.38° , ∠M = 41.51° , ∠N = 34.11°
(ii)

∠L = 46.97° , ∠M = 90° , ∠N = 43.03°
(iii)

∠L = 60° , ∠M = 60° , ∠N = 60°
(iv)

∠L = 59.17° , ∠M = 69.51° , ∠N = 51.32°
(v)

∠L = 62.97° , ∠M = 62.96° , ∠N = 54.07°

Question 19

19.

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

(i)

∠P = 60° , ∠Q = 60° , ∠R = 60°
(ii)

∠P = 45° , ∠Q = 90° , ∠R = 45°
(iii)

∠P = 103.34° , ∠Q = 41.56° , ∠R = 35.1°
(iv)

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

∠P = 45.21° , ∠Q = 51.32° , ∠R = 83.47°

Question 20

20.

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

(i)

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

∠B = 45° , ∠C = 90° , ∠D = 45°
(iii)

∠B = 91.3° , ∠C = 37.66° , ∠D = 51.04°
(iv)

∠B = 73.62° , ∠C = 56.25° , ∠D = 50.13°
(v)

∠B = 108° , ∠C = 34.02° , ∠D = 37.98°

Question 21

21.

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

(i)

∠L = 137.17° , ∠M = 20.64° , ∠N = 22.19°
(ii)

∠L = 45° , ∠M = 90° , ∠N = 45°
(iii)

∠L = 55.64° , ∠M = 62.18° , ∠N = 62.18°
(iv)

∠L = 81.08° , ∠M = 49.46° , ∠N = 49.46°
(v)

∠L = 38.16° , ∠M = 90° , ∠N = 51.84°

Question 22

22.

Which of the following are measures of an equilateral triangle ?

(i)

∠H = 67.38° , ∠I = 59.49° , ∠J = 53.13°
(ii)

∠H = 60° , ∠I = 60° , ∠J = 60°
(iii)

∠H = 73.74° , ∠I = 53.13° , ∠J = 53.13°
(iv)

∠H = 45° , ∠I = 90° , ∠J = 45°
(v)

∠H = 47.29° , ∠I = 90° , ∠J = 42.71°

Question 23

23.

Which of the following are measures of an isosceles triangle ?

(i)

∠P = 47.16° , ∠Q = 66.42° , ∠R = 66.42°
(ii)

∠P = 83.47° , ∠Q = 51.32° , ∠R = 45.21°
(iii)

∠P = 60° , ∠Q = 60° , ∠R = 60°
(iv)

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

∠P = 47.73° , ∠Q = 90° , ∠R = 42.27°

Question 24

24.

Which of the following are measures of a scalene triangle ?

(i)

∠C = 60° , ∠D = 60° , ∠E = 60°
(ii)

∠C = 45° , ∠D = 90° , ∠E = 45°
(iii)

∠C = 50.06° , ∠D = 64.97° , ∠E = 64.97°
(iv)

∠C = 46.46° , ∠D = 52.26° , ∠E = 81.28°
(v)

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

Question 25

25.

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

(i)

∠O = 60° , ∠P = 60° , ∠Q = 60°
(ii)

∠O = 64.53° , ∠P = 75.31° , ∠Q = 40.16°
(iii)

∠O = 44.42° , ∠P = 72.62° , ∠Q = 62.96°
(iv)

∠O = 38.66° , ∠P = 90° , ∠Q = 51.34°
(v)

∠O = 131.42° , ∠P = 27.66° , ∠Q = 20.92°

Question 26

26.

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

(i)

∠H = 45° , ∠I = 90° , ∠J = 45°
(ii)

∠H = 121.19° , ∠I = 34.77° , ∠J = 24.04°
(iii)

∠H = 85.46° , ∠I = 41.65° , ∠J = 52.89°
(iv)

∠H = 64.53° , ∠I = 40.16° , ∠J = 75.31°
(v)

∠H = 60° , ∠I = 60° , ∠J = 60°

Question 27

27.

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

(i)

∠E = 45° , ∠F = 90° , ∠G = 45°
(ii)

∠E = 69.98° , ∠F = 61.28° , ∠G = 48.74°
(iii)

∠E = 127.38° , ∠F = 25.33° , ∠G = 27.29°
(iv)

∠E = 97.18° , ∠F = 41.41° , ∠G = 41.41°
(v)

∠E = 42.88° , ∠F = 90° , ∠G = 47.12°

Question 28

28.

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

(i)

∠P = 50.75° , ∠Q = 64.63° , ∠R = 64.62°
(ii)

∠P = 60° , ∠Q = 60° , ∠R = 60°
(iii)

∠P = 99.15° , ∠Q = 38.1° , ∠R = 42.75°
(iv)

∠P = 45° , ∠Q = 90° , ∠R = 45°
(v)

∠P = 42.51° , ∠Q = 90° , ∠R = 47.49°

Question 29

29.

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

(i)

AB = 5 cm , BC = 10 cm , CA = 17 cm
(ii)

AB = 7 cm , BC = 5 cm , CA = 17 cm
(iii)

AB = 12 cm , BC = 13 cm , CA = 15 cm
(iv)

AB = 10 cm , BC = 19 cm , CA = 5 cm
(v)

AB = 7 cm , BC = 7 cm , CA = 16 cm

Question 30

30.

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

(i)

∠H = 80.20° , ∠I = 50.40° , ∠J = 91.10°
(ii)

∠H = 45.57° , ∠I = 57.56° , ∠J = 76.87°
(iii)

∠H = 119.30° , ∠I = 55.60° , ∠J = 110.20°
(iv)

∠H = 96.20° , ∠I = 108.70° , ∠J = 34.80°
(v)

∠H = 91.40° , ∠I = 71.60° , ∠J = 117.40°

Question 31

31.

In a right angled triangle, if one of the angles is 40.91°, find the third angle

(i)

79.09°
(ii)

54.09°
(iii)

59.09°
(iv)

49.09°
(v)

64.09°

Question 32

32.

In a right angled triangle, if one of the angles is 39.81°, find the third angle

(i)

65.19°
(ii)

50.19°
(iii)

80.19°
(iv)

55.19°
(v)

60.19°

Assignment Key