EduSahara™ Worksheet

Question 1

1.

Which of the following are measures of an equilateral triangle ?

(i)

MN = 14 cm , NO = 14 cm , OM = 19.8 cm
(ii)

MN = 15 cm , NO = 10 cm , OM = 13 cm
(iii)

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

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

MN = 15 cm , NO = 10 cm , OM = 18.03 cm

Question 2

2.

Which of the following are measures of an isosceles triangle ?

(i)

HI = 10 cm , IJ = 11 cm , JH = 10 cm
(ii)

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

HI = 12 cm , IJ = 13 cm , JH = 14 cm
(iv)

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

HI = 10 cm , IJ = 11 cm , JH = 12 cm

Question 3

3.

Which of the following are measures of a scalene triangle ?

(i)

IJ = 15 cm , JK = 14 cm , KI = 10 cm
(ii)

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

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

IJ = 12 cm , JK = 15 cm , KI = 12 cm
(v)

IJ = 10 cm , JK = 10 cm , KI = 10 cm

Question 4

4.

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

(i)

PQ = 12 cm , QR = 14 cm , RP = 18.44 cm
(ii)

PQ = 15 cm , QR = 23 cm , RP = 13 cm
(iii)

PQ = 10 cm , QR = 14 cm , RP = 11 cm
(iv)

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

PQ = 11 cm , QR = 15 cm , RP = 14 cm

Question 5

5.

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

(i)

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

HI = 11 cm , IJ = 17 cm , JH = 12 cm
(iii)

HI = 13 cm , IJ = 15 cm , JH = 12 cm
(iv)

HI = 14 cm , IJ = 14 cm , JH = 19.8 cm
(v)

HI = 10 cm , IJ = 14 cm , JH = 13 cm

Question 6

6.

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

(i)

MN = 10 cm , NO = 19 cm , OM = 12 cm
(ii)

MN = 11 cm , NO = 12 cm , OM = 16.28 cm
(iii)

MN = 13 cm , NO = 11 cm , OM = 10 cm
(iv)

MN = 11 cm , NO = 11 cm , OM = 15.56 cm
(v)

MN = 11 cm , NO = 19 cm , OM = 14 cm

Question 7

7.

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

(i)

MN = 11 cm , NO = 18 cm , OM = 13 cm
(ii)

MN = 11 cm , NO = 10 cm , OM = 11 cm
(iii)

MN = 11 cm , NO = 11 cm , OM = 15.56 cm
(iv)

MN = 10 cm , NO = 12 cm , OM = 15.62 cm
(v)

MN = 13 cm , NO = 15 cm , OM = 10 cm

Question 8

8.

Which of the following are measures of an equilateral triangle ?

(i)

BC = 13 cm , CD = 11 cm , DB = 14 cm
(ii)

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

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

BC = 15 cm , CD = 12 cm , DB = 19.21 cm
(v)

BC = 12 cm , CD = 12 cm , DB = 16.97 cm

Question 9

9.

Which of the following are measures of an isosceles triangle ?

(i)

NO = 15 cm , OP = 10 cm , PN = 11 cm
(ii)

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

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

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

NO = 11 cm , OP = 11 cm , PN = 11 cm

Question 10

10.

Which of the following are measures of a scalene triangle ?

(i)

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

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

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

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

Question 11

11.

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

(i)

OP = 11 cm , PQ = 11 cm , QO = 11 cm
(ii)

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

OP = 13 cm , PQ = 13 cm , QO = 15 cm
(iv)

OP = 14 cm , PQ = 15 cm , QO = 20.52 cm
(v)

OP = 14 cm , PQ = 19 cm , QO = 10 cm

Question 12

12.

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

(i)

MN = 14 cm , NO = 20 cm , OM = 10 cm
(ii)

MN = 14 cm , NO = 11 cm , OM = 11 cm
(iii)

MN = 12 cm , NO = 12 cm , OM = 12 cm
(iv)

MN = 12 cm , NO = 12 cm , OM = 16.97 cm
(v)

MN = 14 cm , NO = 15 cm , OM = 10 cm

Question 13

13.

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

(i)

KL = 11 cm , LM = 11 cm , MK = 15.56 cm
(ii)

KL = 12 cm , LM = 20 cm , MK = 12 cm
(iii)

KL = 13 cm , LM = 11 cm , MK = 17.03 cm
(iv)

KL = 15 cm , LM = 25 cm , MK = 13 cm
(v)

KL = 12 cm , LM = 14 cm , MK = 12 cm

Question 14

14.

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

(i)

PQ = 15 cm , QR = 15 cm , RP = 12 cm
(ii)

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

PQ = 12 cm , QR = 20 cm , RP = 13 cm
(iv)

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

PQ = 13 cm , QR = 12 cm , RP = 17.69 cm

Question 15

15.

Which of the following are measures of an equilateral triangle ?

(i)

∠J = 81.08° , ∠K = 49.46° , ∠L = 49.46°
(ii)

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

∠J = 60° , ∠K = 60° , ∠L = 60°
(iv)

∠J = 45° , ∠K = 90° , ∠L = 45°
(v)

∠J = 70.81° , ∠K = 47.91° , ∠L = 61.28°

Question 16

16.

Which of the following are measures of an isosceles triangle ?

(i)

∠C = 33.69° , ∠D = 90° , ∠E = 56.31°
(ii)

∠C = 81.08° , ∠D = 49.46° , ∠E = 49.46°
(iii)

∠C = 60° , ∠D = 60° , ∠E = 60°
(iv)

∠C = 48.37° , ∠D = 76.33° , ∠E = 55.3°
(v)

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

Question 17

17.

Which of the following are measures of a scalene triangle ?

(i)

∠E = 60° , ∠F = 60° , ∠G = 60°
(ii)

∠E = 45° , ∠F = 90° , ∠G = 45°
(iii)

∠E = 73.62° , ∠F = 50.13° , ∠G = 56.25°
(iv)

∠E = 65.16° , ∠F = 57.42° , ∠G = 57.42°

Question 18

18.

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

(i)

∠D = 95.74° , ∠E = 33.56° , ∠F = 50.7°
(ii)

∠D = 49.4° , ∠E = 90° , ∠F = 40.6°
(iii)

∠D = 61.28° , ∠E = 47.91° , ∠F = 70.81°
(iv)

∠D = 60° , ∠E = 60° , ∠F = 60°

Question 19

19.

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

(i)

∠H = 62.18° , ∠I = 55.64° , ∠J = 62.18°
(ii)

∠H = 60° , ∠I = 60° , ∠J = 60°
(iii)

∠H = 99.15° , ∠I = 38.1° , ∠J = 42.75°
(iv)

∠H = 63.03° , ∠I = 73.69° , ∠J = 43.28°
(v)

∠H = 45° , ∠I = 90° , ∠J = 45°

Question 20

20.

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

(i)

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

∠P = 54.46° , ∠Q = 90° , ∠R = 35.54°
(iii)

∠P = 127.38° , ∠Q = 25.33° , ∠R = 27.29°
(iv)

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

∠P = 45° , ∠Q = 90° , ∠R = 45°

Question 21

21.

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

(i)

∠M = 45° , ∠N = 90° , ∠O = 45°
(ii)

∠M = 53.75° , ∠N = 90° , ∠O = 36.25°
(iii)

∠M = 68.49° , ∠N = 43.02° , ∠O = 68.49°
(iv)

∠M = 62.72° , ∠N = 62.72° , ∠O = 54.56°
(v)

∠M = 132.88° , ∠N = 23.56° , ∠O = 23.56°

Question 22

22.

Which of the following are measures of an equilateral triangle ?

(i)

∠F = 45° , ∠G = 90° , ∠H = 45°
(ii)

∠F = 81.28° , ∠G = 52.26° , ∠H = 46.46°
(iii)

∠F = 60° , ∠G = 60° , ∠H = 60°
(iv)

∠F = 37.57° , ∠G = 90° , ∠H = 52.43°
(v)

∠F = 85.98° , ∠G = 47.01° , ∠H = 47.01°

Question 23

23.

Which of the following are measures of an isosceles triangle ?

(i)

∠N = 63.03° , ∠O = 43.28° , ∠P = 73.69°
(ii)

∠N = 60° , ∠O = 60° , ∠P = 60°
(iii)

∠N = 42.51° , ∠O = 90° , ∠P = 47.49°
(iv)

∠N = 48.74° , ∠O = 69.98° , ∠P = 61.28°
(v)

∠N = 85.98° , ∠O = 47.01° , ∠P = 47.01°

Question 24

24.

Which of the following are measures of a scalene triangle ?

(i)

∠H = 60° , ∠I = 60° , ∠J = 60°
(ii)

∠H = 88.86° , ∠I = 45.57° , ∠J = 45.57°
(iii)

∠H = 45° , ∠I = 90° , ∠J = 45°
(iv)

∠H = 58.67° , ∠I = 41.08° , ∠J = 80.25°
(v)

∠H = 66.12° , ∠I = 56.94° , ∠J = 56.94°

Question 25

25.

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

(i)

∠O = 47.12° , ∠P = 90° , ∠Q = 42.88°
(ii)

∠O = 60° , ∠P = 60° , ∠Q = 60°
(iii)

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

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

∠O = 101.53° , ∠P = 34.05° , ∠Q = 44.42°

Question 26

26.

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

(i)

∠P = 45° , ∠Q = 90° , ∠R = 45°
(ii)

∠P = 60° , ∠Q = 60° , ∠R = 60°
(iii)

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

∠P = 69.51° , ∠Q = 51.32° , ∠R = 59.17°
(v)

∠P = 52.26° , ∠Q = 81.28° , ∠R = 46.46°

Question 27

27.

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

(i)

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

∠K = 99.42° , ∠L = 32.86° , ∠M = 47.72°
(iii)

∠K = 102.91° , ∠L = 36.56° , ∠M = 40.53°
(iv)

∠K = 45° , ∠L = 90° , ∠M = 45°
(v)

∠K = 42.27° , ∠L = 90° , ∠M = 47.73°

Question 28

28.

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

(i)

∠D = 95.52° , ∠E = 40.31° , ∠F = 44.17°
(ii)

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

∠D = 67.97° , ∠E = 52.62° , ∠F = 59.41°
(iv)

∠D = 60° , ∠E = 60° , ∠F = 60°
(v)

∠D = 45° , ∠E = 90° , ∠F = 45°

Question 29

29.

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

(i)

EF = 20 cm , FG = 5 cm , GE = 8 cm
(ii)

EF = 5 cm , FG = 10 cm , GE = 18 cm
(iii)

EF = 20 cm , FG = 6 cm , GE = 8 cm
(iv)

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

EF = 11 cm , FG = 7 cm , GE = 20 cm

Question 30

30.

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

(i)

∠O = 114.90° , ∠P = 114.50° , ∠Q = 57.30°
(ii)

∠O = 76.50° , ∠P = 91.90° , ∠Q = 115.10°
(iii)

∠O = 48.60° , ∠P = 63.80° , ∠Q = 80.40°
(iv)

∠O = 34.70° , ∠P = 97.30° , ∠Q = 85.70°
(v)

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

Assignment Key