EduSahara™ Worksheet

Question 1

1.

Which of the following are measures of an equilateral triangle ?

(i)

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

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

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

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

GH = 13 cm , HI = 10 cm , IG = 11 cm

Question 2

2.

Which of the following are measures of an isosceles triangle ?

(i)

HI = 15 cm , IJ = 14 cm , JH = 20.52 cm
(ii)

HI = 11 cm , IJ = 15 cm , JH = 10 cm
(iii)

HI = 12 cm , IJ = 15 cm , JH = 12 cm
(iv)

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

HI = 13 cm , IJ = 14 cm , JH = 12 cm

Question 3

3.

Which of the following are measures of a scalene triangle ?

(i)

NO = 10 cm , OP = 12 cm , PN = 10 cm
(ii)

NO = 11 cm , OP = 14 cm , PN = 15 cm
(iii)

NO = 10 cm , OP = 11 cm , PN = 10 cm
(iv)

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

NO = 10 cm , OP = 10 cm , PN = 10 cm

Question 4

4.

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

(i)

KL = 13 cm , LM = 12 cm , MK = 14 cm
(ii)

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

KL = 12 cm , LM = 16 cm , MK = 10 cm
(iv)

KL = 15 cm , LM = 10 cm , MK = 14 cm
(v)

KL = 13 cm , LM = 15 cm , MK = 19.85 cm

Question 5

5.

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

(i)

IJ = 15 cm , JK = 14 cm , KI = 11 cm
(ii)

IJ = 15 cm , JK = 21 cm , KI = 13 cm
(iii)

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

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

IJ = 13 cm , JK = 15 cm , KI = 13 cm

Question 6

6.

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

(i)

OP = 13 cm , PQ = 12 cm , QO = 17.69 cm
(ii)

OP = 11 cm , PQ = 22 cm , QO = 13 cm
(iii)

OP = 14 cm , PQ = 10 cm , QO = 13 cm
(iv)

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

OP = 15 cm , PQ = 20 cm , QO = 12 cm

Question 7

7.

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

(i)

EF = 14 cm , FG = 11 cm , GE = 11 cm
(ii)

EF = 10 cm , FG = 20 cm , GE = 12 cm
(iii)

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

EF = 14 cm , FG = 15 cm , GE = 10 cm
(v)

EF = 14 cm , FG = 11 cm , GE = 17.8 cm

Question 8

8.

Which of the following are measures of an equilateral triangle ?

(i)

NO = 12 cm , OP = 14 cm , PN = 12 cm
(ii)

NO = 11 cm , OP = 11 cm , PN = 11 cm
(iii)

NO = 14 cm , OP = 12 cm , PN = 11 cm
(iv)

NO = 12 cm , OP = 15 cm , PN = 19.21 cm
(v)

NO = 10 cm , OP = 10 cm , PN = 14.14 cm

Question 9

9.

Which of the following are measures of an isosceles triangle ?

(i)

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

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

NO = 11 cm , OP = 10 cm , PN = 14 cm
(iv)

NO = 10 cm , OP = 15 cm , PN = 10 cm
(v)

NO = 13 cm , OP = 14 cm , PN = 19.1 cm

Question 10

10.

Which of the following are measures of a scalene triangle ?

(i)

GH = 10 cm , HI = 12 cm , IG = 10 cm
(ii)

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

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

GH = 13 cm , HI = 13 cm , IG = 18.38 cm
(v)

GH = 12 cm , HI = 13 cm , IG = 11 cm

Question 11

11.

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

(i)

KL = 14 cm , LM = 11 cm , MK = 17.8 cm
(ii)

KL = 11 cm , LM = 20 cm , MK = 15 cm
(iii)

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

KL = 14 cm , LM = 10 cm , MK = 14 cm
(v)

KL = 13 cm , LM = 13 cm , MK = 13 cm

Question 12

12.

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

(i)

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

PQ = 13 cm , QR = 21 cm , RP = 14 cm
(iii)

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

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

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

Question 13

13.

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

(i)

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

PQ = 10 cm , QR = 17 cm , RP = 13 cm
(iii)

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

PQ = 11 cm , QR = 11 cm , RP = 15.56 cm
(v)

PQ = 10 cm , QR = 18 cm , RP = 13 cm

Question 14

14.

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

(i)

NO = 11 cm , OP = 10 cm , PN = 14.87 cm
(ii)

NO = 11 cm , OP = 11 cm , PN = 15 cm
(iii)

NO = 14 cm , OP = 24 cm , PN = 14 cm
(iv)

NO = 10 cm , OP = 10 cm , PN = 14.14 cm
(v)

NO = 11 cm , OP = 14 cm , PN = 12 cm

Question 15

15.

Which of the following are measures of an equilateral triangle ?

(i)

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

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

∠J = 60° , ∠K = 60° , ∠L = 60°
(iv)

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

∠J = 45° , ∠K = 90° , ∠L = 45°

Question 16

16.

Which of the following are measures of an isosceles triangle ?

(i)

∠D = 60° , ∠E = 60° , ∠F = 60°
(ii)

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

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

∠D = 45.24° , ∠E = 67.38° , ∠F = 67.38°
(v)

∠D = 40.16° , ∠E = 64.53° , ∠F = 75.31°

Question 17

17.

Which of the following are measures of a scalene triangle ?

(i)

∠L = 65.16° , ∠M = 57.42° , ∠N = 57.42°
(ii)

∠L = 50.06° , ∠M = 64.97° , ∠N = 64.97°
(iii)

∠L = 60° , ∠M = 60° , ∠N = 60°
(iv)

∠L = 48.74° , ∠M = 69.98° , ∠N = 61.28°
(v)

∠L = 45° , ∠M = 90° , ∠N = 45°

Question 18

18.

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

(i)

∠A = 60° , ∠B = 60° , ∠C = 60°
(ii)

∠A = 70.81° , ∠B = 61.28° , ∠C = 47.91°
(iii)

∠A = 38.66° , ∠B = 90° , ∠C = 51.34°
(iv)

∠A = 92.87° , ∠B = 38.62° , ∠C = 48.51°
(v)

∠A = 54.97° , ∠B = 62.52° , ∠C = 62.51°

Question 19

19.

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

(i)

∠P = 120.75° , ∠Q = 28.21° , ∠R = 31.04°
(ii)

∠P = 45° , ∠Q = 90° , ∠R = 45°
(iii)

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

∠P = 60° , ∠Q = 60° , ∠R = 60°
(v)

∠P = 50.48° , ∠Q = 79.04° , ∠R = 50.48°

Question 20

20.

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

(i)

∠O = 91.04° , ∠P = 41.8° , ∠Q = 47.16°
(ii)

∠O = 45° , ∠P = 90° , ∠Q = 45°
(iii)

∠O = 115.37° , ∠P = 35.1° , ∠Q = 29.53°
(iv)

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

∠O = 40.6° , ∠P = 90° , ∠Q = 49.4°

Question 21

21.

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

(i)

∠E = 50.48° , ∠F = 79.04° , ∠G = 50.48°
(ii)

∠E = 42.51° , ∠F = 90° , ∠G = 47.49°
(iii)

∠E = 100.8° , ∠F = 35.3° , ∠G = 43.9°
(iv)

∠E = 64.53° , ∠F = 75.31° , ∠G = 40.16°
(v)

∠E = 45° , ∠F = 90° , ∠G = 45°

Question 22

22.

Which of the following are measures of an equilateral triangle ?

(i)

∠B = 60° , ∠C = 60° , ∠D = 60°
(ii)

∠B = 69.98° , ∠C = 48.74° , ∠D = 61.28°
(iii)

∠B = 66.12° , ∠C = 56.94° , ∠D = 56.94°
(iv)

∠B = 45° , ∠C = 90° , ∠D = 45°
(v)

∠B = 43.03° , ∠C = 90° , ∠D = 46.97°

Question 23

23.

Which of the following are measures of an isosceles triangle ?

(i)

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

∠L = 63.03° , ∠M = 43.28° , ∠N = 73.69°
(iii)

∠L = 45.21° , ∠M = 83.47° , ∠N = 51.32°
(iv)

∠L = 77.36° , ∠M = 51.32° , ∠N = 51.32°
(v)

∠L = 60° , ∠M = 60° , ∠N = 60°

Question 24

24.

Which of the following are measures of a scalene triangle ?

(i)

∠I = 60° , ∠J = 60° , ∠K = 60°
(ii)

∠I = 65.16° , ∠J = 57.42° , ∠K = 57.42°
(iii)

∠I = 38.94° , ∠J = 70.53° , ∠K = 70.53°
(iv)

∠I = 45° , ∠J = 90° , ∠K = 45°
(v)

∠I = 55.3° , ∠J = 48.37° , ∠K = 76.33°

Question 25

25.

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

(i)

∠K = 37.57° , ∠L = 90° , ∠M = 52.43°
(ii)

∠K = 60° , ∠L = 60° , ∠M = 60°
(iii)

∠K = 44.42° , ∠L = 78.46° , ∠M = 57.12°
(iv)

∠K = 125.43° , ∠L = 28.38° , ∠M = 26.19°
(v)

∠K = 57.56° , ∠L = 45.57° , ∠M = 76.87°

Question 26

26.

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

(i)

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

∠D = 45° , ∠E = 90° , ∠F = 45°
(iii)

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

∠D = 106.2° , ∠E = 35.18° , ∠F = 38.62°
(v)

∠D = 60° , ∠E = 60° , ∠F = 60°

Question 27

27.

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

(i)

∠G = 45.57° , ∠H = 88.86° , ∠I = 45.57°
(ii)

∠G = 134.18° , ∠H = 26.63° , ∠I = 19.19°
(iii)

∠G = 127.38° , ∠H = 25.33° , ∠I = 27.29°
(iv)

∠G = 45° , ∠H = 90° , ∠I = 45°
(v)

∠G = 36.25° , ∠H = 90° , ∠I = 53.75°

Question 28

28.

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

(i)

∠K = 69.07° , ∠L = 69.08° , ∠M = 41.85°
(ii)

∠K = 112.88° , ∠L = 33.56° , ∠M = 33.56°
(iii)

∠K = 56.94° , ∠L = 66.12° , ∠M = 56.94°
(iv)

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

∠K = 45° , ∠L = 90° , ∠M = 45°

Question 29

29.

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

(i)

GH = 18 cm , HI = 7 cm , IG = 10 cm
(ii)

GH = 5 cm , HI = 20 cm , IG = 10 cm
(iii)

GH = 17 cm , HI = 6 cm , IG = 5 cm
(iv)

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

GH = 7 cm , HI = 18 cm , IG = 10 cm

Question 30

30.

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

(i)

∠M = 86.20° , ∠N = 86.10° , ∠O = 34.10°
(ii)

∠M = 98.10° , ∠N = 100.20° , ∠O = 82.90°
(iii)

∠M = 89.10° , ∠N = 30.30° , ∠O = 40.70°
(iv)

∠M = 52.26° , ∠N = 81.28° , ∠O = 46.46°
(v)

∠M = 105.50° , ∠N = 48.50° , ∠O = 88.80°

Question 31

31.

In a right angled triangle, if one of the angles is 47.29°, find the third angle

(i)

72.71°
(ii)

47.71°
(iii)

42.71°
(iv)

52.71°
(v)

57.71°

Question 32

32.

In a right angled triangle, if one of the angles is 49.09°, find the third angle

(i)

55.91°
(ii)

40.91°
(iii)

70.91°
(iv)

50.91°
(v)

45.91°

Assignment Key