EduSahara™ Worksheet

Question 1

1.

Which of the following are measures of an equilateral triangle ?

(i)

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

HI = 12 cm , IJ = 15 cm , JH = 11 cm
(iii)

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

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

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

Question 2

2.

Which of the following are measures of an isosceles triangle ?

(i)

CD = 12 cm , DE = 11 cm , EC = 15 cm
(ii)

CD = 12 cm , DE = 14 cm , EC = 18.44 cm
(iii)

CD = 14 cm , DE = 12 cm , EC = 13 cm
(iv)

CD = 15 cm , DE = 15 cm , EC = 15 cm
(v)

CD = 11 cm , DE = 14 cm , EC = 11 cm

Question 3

3.

Which of the following are measures of a scalene triangle ?

(i)

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

OP = 15 cm , PQ = 10 cm , QO = 14 cm
(iii)

OP = 15 cm , PQ = 10 cm , QO = 15 cm
(iv)

OP = 12 cm , PQ = 14 cm , QO = 12 cm
(v)

OP = 11 cm , PQ = 11 cm , QO = 15.56 cm

Question 4

4.

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

(i)

JK = 10 cm , KL = 12 cm , LJ = 11 cm
(ii)

JK = 10 cm , KL = 12 cm , LJ = 15.62 cm
(iii)

JK = 13 cm , KL = 14 cm , LJ = 13 cm
(iv)

JK = 11 cm , KL = 20 cm , LJ = 13 cm
(v)

JK = 14 cm , KL = 14 cm , LJ = 14 cm

Question 5

5.

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

(i)

MN = 15 cm , NO = 15 cm , OM = 15 cm
(ii)

MN = 15 cm , NO = 15 cm , OM = 21.21 cm
(iii)

MN = 12 cm , NO = 10 cm , OM = 13 cm
(iv)

MN = 14 cm , NO = 12 cm , OM = 14 cm
(v)

MN = 10 cm , NO = 19 cm , OM = 13 cm

Question 6

6.

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

(i)

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

FG = 11 cm , GH = 12 cm , HF = 16.28 cm
(iii)

FG = 11 cm , GH = 18 cm , HF = 11 cm
(iv)

FG = 12 cm , GH = 16 cm , HF = 10 cm
(v)

FG = 13 cm , GH = 13 cm , HF = 18.38 cm

Question 7

7.

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

(i)

KL = 11 cm , LM = 14 cm , MK = 12 cm
(ii)

KL = 15 cm , LM = 14 cm , MK = 14 cm
(iii)

KL = 10 cm , LM = 10 cm , MK = 14.14 cm
(iv)

KL = 14 cm , LM = 25 cm , MK = 15 cm
(v)

KL = 13 cm , LM = 14 cm , MK = 19.1 cm

Question 8

8.

Which of the following are measures of an equilateral triangle ?

(i)

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

∠C = 45° , ∠D = 90° , ∠E = 45°
(iii)

∠C = 40.6° , ∠D = 90° , ∠E = 49.4°
(iv)

∠C = 60° , ∠D = 60° , ∠E = 60°
(v)

∠C = 50.06° , ∠D = 64.97° , ∠E = 64.97°

Question 9

9.

Which of the following are measures of an isosceles triangle ?

(i)

∠F = 36.25° , ∠G = 90° , ∠H = 53.75°
(ii)

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

∠F = 47.16° , ∠G = 66.42° , ∠H = 66.42°
(iv)

∠F = 47.16° , ∠G = 91.04° , ∠H = 41.8°
(v)

∠F = 60° , ∠G = 60° , ∠H = 60°

Question 10

10.

Which of the following are measures of a scalene triangle ?

(i)

∠J = 45° , ∠K = 90° , ∠L = 45°
(ii)

∠J = 44.42° , ∠K = 62.96° , ∠L = 72.62°
(iii)

∠J = 50.06° , ∠K = 64.97° , ∠L = 64.97°
(iv)

∠J = 73.74° , ∠K = 53.13° , ∠L = 53.13°
(v)

∠J = 60° , ∠K = 60° , ∠L = 60°

Question 11

11.

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

(i)

∠A = 73.62° , ∠B = 56.25° , ∠C = 50.13°
(ii)

∠A = 53.13° , ∠B = 53.13° , ∠C = 73.74°
(iii)

∠A = 115.37° , ∠B = 29.53° , ∠C = 35.1°
(iv)

∠A = 39.81° , ∠B = 90° , ∠C = 50.19°
(v)

∠A = 60° , ∠B = 60° , ∠C = 60°

Question 12

12.

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

(i)

∠M = 94.34° , ∠N = 42.83° , ∠O = 42.83°
(ii)

∠M = 72.62° , ∠N = 44.42° , ∠O = 62.96°
(iii)

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

∠M = 45° , ∠N = 90° , ∠O = 45°
(v)

∠M = 60° , ∠N = 60° , ∠O = 60°

Question 13

13.

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

(i)

∠I = 130.76° , ∠J = 24.62° , ∠K = 24.62°
(ii)

∠I = 53.75° , ∠J = 90° , ∠K = 36.25°
(iii)

∠I = 91.04° , ∠J = 47.16° , ∠K = 41.8°
(iv)

∠I = 48.74° , ∠J = 61.28° , ∠K = 69.98°
(v)

∠I = 45° , ∠J = 90° , ∠K = 45°

Question 14

14.

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

(i)

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

∠I = 108° , ∠J = 37.98° , ∠K = 34.02°
(iii)

∠I = 52.43° , ∠J = 90° , ∠K = 37.57°
(iv)

∠I = 51.32° , ∠J = 51.32° , ∠K = 77.36°
(v)

∠I = 45° , ∠J = 90° , ∠K = 45°

Question 15

15.

Which of the following are measures of an equilateral triangle ?

(i)

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

DE = 14 cm , EF = 10 cm , FD = 17.2 cm
(iii)

DE = 10 cm , EF = 15 cm , FD = 10 cm
(iv)

DE = 13 cm , EF = 13 cm , FD = 18.38 cm
(v)

DE = 13 cm , EF = 15 cm , FD = 14 cm

Question 16

16.

Which of the following are measures of an isosceles triangle ?

(i)

NO = 14 cm , OP = 13 cm , PN = 19.1 cm
(ii)

NO = 14 cm , OP = 10 cm , PN = 15 cm
(iii)

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

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

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

Question 17

17.

Which of the following are measures of a scalene triangle ?

(i)

LM = 15 cm , MN = 15 cm , NL = 15 cm
(ii)

LM = 13 cm , MN = 12 cm , NL = 11 cm
(iii)

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

LM = 14 cm , MN = 15 cm , NL = 14 cm
(v)

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

Question 18

18.

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

(i)

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

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

MN = 14 cm , NO = 13 cm , OM = 15 cm
(iv)

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

MN = 12 cm , NO = 18 cm , OM = 11 cm

Question 19

19.

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

(i)

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

LM = 10 cm , MN = 12 cm , NL = 13 cm
(iii)

LM = 13 cm , MN = 15 cm , NL = 12 cm
(iv)

LM = 14 cm , MN = 21 cm , NL = 11 cm
(v)

LM = 14 cm , MN = 14 cm , NL = 19.8 cm

Question 20

20.

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

(i)

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

IJ = 13 cm , JK = 13 cm , KI = 18.38 cm
(iii)

IJ = 11 cm , JK = 12 cm , KI = 16.28 cm
(iv)

IJ = 10 cm , JK = 21 cm , KI = 14 cm
(v)

IJ = 12 cm , JK = 22 cm , KI = 15 cm

Question 21

21.

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

(i)

DE = 11 cm , EF = 13 cm , FD = 17.03 cm
(ii)

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

DE = 13 cm , EF = 11 cm , FD = 14 cm
(iv)

DE = 15 cm , EF = 11 cm , FD = 12 cm
(v)

DE = 15 cm , EF = 20 cm , FD = 11 cm

Question 22

22.

Which of the following are measures of an equilateral triangle ?

(i)

∠J = 66.12° , ∠K = 56.94° , ∠L = 56.94°
(ii)

∠J = 60° , ∠K = 60° , ∠L = 60°
(iii)

∠J = 49.4° , ∠K = 90° , ∠L = 40.6°
(iv)

∠J = 52.89° , ∠K = 85.46° , ∠L = 41.65°
(v)

∠J = 45° , ∠K = 90° , ∠L = 45°

Question 23

23.

Which of the following are measures of an isosceles triangle ?

(i)

∠C = 70.81° , ∠D = 61.28° , ∠E = 47.91°
(ii)

∠C = 60° , ∠D = 60° , ∠E = 60°
(iii)

∠C = 51.84° , ∠D = 90° , ∠E = 38.16°
(iv)

∠C = 72.44° , ∠D = 53.78° , ∠E = 53.78°
(v)

∠C = 47.16° , ∠D = 41.8° , ∠E = 91.04°

Question 24

24.

Which of the following are measures of a scalene triangle ?

(i)

∠F = 66.74° , ∠G = 56.63° , ∠H = 56.63°
(ii)

∠F = 60° , ∠G = 60° , ∠H = 60°
(iii)

∠F = 97.18° , ∠G = 41.41° , ∠H = 41.41°
(iv)

∠F = 45° , ∠G = 90° , ∠H = 45°
(v)

∠F = 41.65° , ∠G = 52.89° , ∠H = 85.46°

Question 25

25.

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

(i)

∠A = 100.29° , ∠B = 43.53° , ∠C = 36.18°
(ii)

∠A = 71.38° , ∠B = 54.31° , ∠C = 54.31°
(iii)

∠A = 60° , ∠B = 60° , ∠C = 60°
(iv)

∠A = 55.83° , ∠B = 49.32° , ∠C = 74.85°
(v)

∠A = 40.6° , ∠B = 90° , ∠C = 49.4°

Question 26

26.

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

(i)

∠L = 45° , ∠M = 90° , ∠N = 45°
(ii)

∠L = 60° , ∠M = 60° , ∠N = 60°
(iii)

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

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

∠L = 102.05° , ∠M = 37.26° , ∠N = 40.69°

Question 27

27.

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

(i)

∠B = 45° , ∠C = 90° , ∠D = 45°
(ii)

∠B = 42.71° , ∠C = 90° , ∠D = 47.29°
(iii)

∠B = 57.42° , ∠C = 57.42° , ∠D = 65.16°
(iv)

∠B = 102.05° , ∠C = 37.26° , ∠D = 40.69°
(v)

∠B = 122.01° , ∠C = 22.67° , ∠D = 35.32°

Question 28

28.

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

(i)

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

∠P = 52.43° , ∠Q = 90° , ∠R = 37.57°
(iii)

∠P = 54.31° , ∠Q = 54.31° , ∠R = 71.38°
(iv)

∠P = 45° , ∠Q = 90° , ∠R = 45°
(v)

∠P = 130.54° , ∠Q = 22.33° , ∠R = 27.13°

Question 29

29.

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

(i)

FG = 6 cm , GH = 5 cm , HF = 20 cm
(ii)

FG = 7 cm , GH = 5 cm , HF = 20 cm
(iii)

FG = 19 cm , GH = 8 cm , HF = 6 cm
(iv)

FG = 8 cm , GH = 17 cm , HF = 7 cm
(v)

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

Question 30

30.

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

(i)

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

∠I = 50.70° , ∠J = 35.90° , ∠K = 55.20°
(iii)

∠I = 106.50° , ∠J = 45.60° , ∠K = 90.80°
(iv)

∠I = 47.80° , ∠J = 32.30° , ∠K = 111.60°
(v)

∠I = 49.80° , ∠J = 39.40° , ∠K = 77.50°

Assignment Key