EduSahara™ Worksheet

Question 1

1.

Which of the following are measures of an equilateral triangle ?

(i)

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

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

MN = 13 cm , NO = 12 cm , OM = 14 cm
(iv)

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

MN = 11 cm , NO = 10 cm , OM = 14.87 cm

Question 2

2.

Which of the following are measures of an isosceles triangle ?

(i)

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

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

BC = 12 cm , CD = 14 cm , DB = 10 cm
(iv)

BC = 11 cm , CD = 13 cm , DB = 17.03 cm
(v)

BC = 12 cm , CD = 14 cm , DB = 13 cm

Question 3

3.

Which of the following are measures of a scalene triangle ?

(i)

GH = 11 cm , HI = 11 cm , IG = 11 cm
(ii)

GH = 12 cm , HI = 15 cm , IG = 11 cm
(iii)

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

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

GH = 15 cm , HI = 12 cm , IG = 15 cm

Question 4

4.

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

(i)

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

NO = 13 cm , OP = 13 cm , PN = 13 cm
(iii)

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

NO = 13 cm , OP = 10 cm , PN = 12 cm
(v)

NO = 14 cm , OP = 24 cm , PN = 14 cm

Question 5

5.

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

(i)

JK = 13 cm , KL = 20 cm , LJ = 13 cm
(ii)

JK = 11 cm , KL = 11 cm , LJ = 15.56 cm
(iii)

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

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

JK = 14 cm , KL = 10 cm , LJ = 15 cm

Question 6

6.

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

(i)

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

LM = 11 cm , MN = 10 cm , NL = 13 cm
(iii)

LM = 15 cm , MN = 21 cm , NL = 10 cm
(iv)

LM = 13 cm , MN = 25 cm , NL = 15 cm
(v)

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

Question 7

7.

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

(i)

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

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

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

JK = 15 cm , KL = 15 cm , LJ = 14 cm
(v)

JK = 12 cm , KL = 19 cm , LJ = 10 cm

Question 8

8.

Which of the following are measures of an equilateral triangle ?

(i)

OP = 10 cm , PQ = 10 cm , QO = 14.14 cm
(ii)

OP = 13 cm , PQ = 11 cm , QO = 17.03 cm
(iii)

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

OP = 10 cm , PQ = 10 cm , QO = 10 cm
(v)

OP = 10 cm , PQ = 13 cm , QO = 15 cm

Question 9

9.

Which of the following are measures of an isosceles triangle ?

(i)

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

GH = 13 cm , HI = 14 cm , IG = 12 cm
(iii)

GH = 12 cm , HI = 13 cm , IG = 14 cm
(iv)

GH = 13 cm , HI = 15 cm , IG = 13 cm
(v)

GH = 10 cm , HI = 15 cm , IG = 18.03 cm

Question 10

10.

Which of the following are measures of a scalene triangle ?

(i)

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

DE = 10 cm , EF = 14 cm , FD = 11 cm
(iii)

DE = 10 cm , EF = 14 cm , FD = 10 cm
(iv)

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

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

Question 11

11.

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

(i)

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

LM = 15 cm , MN = 23 cm , NL = 13 cm
(iii)

LM = 11 cm , MN = 10 cm , NL = 14.87 cm
(iv)

LM = 10 cm , MN = 13 cm , NL = 11 cm
(v)

LM = 14 cm , MN = 11 cm , NL = 13 cm

Question 12

12.

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

(i)

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

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

CD = 10 cm , DE = 18 cm , EC = 14 cm
(iv)

CD = 15 cm , DE = 12 cm , EC = 13 cm
(v)

CD = 13 cm , DE = 13 cm , EC = 18.38 cm

Question 13

13.

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

(i)

BC = 14 cm , CD = 26 cm , DB = 15 cm
(ii)

BC = 12 cm , CD = 10 cm , DB = 14 cm
(iii)

BC = 14 cm , CD = 15 cm , DB = 20.52 cm
(iv)

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

BC = 13 cm , CD = 13 cm , DB = 18.38 cm

Question 14

14.

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

(i)

GH = 11 cm , HI = 13 cm , IG = 12 cm
(ii)

GH = 15 cm , HI = 15 cm , IG = 11 cm
(iii)

GH = 15 cm , HI = 14 cm , IG = 20.52 cm
(iv)

GH = 13 cm , HI = 19 cm , IG = 11 cm
(v)

GH = 14 cm , HI = 14 cm , IG = 19.8 cm

Question 15

15.

Which of the following are measures of an equilateral triangle ?

(i)

∠B = 46.97° , ∠C = 90° , ∠D = 43.03°
(ii)

∠B = 46.26° , ∠C = 66.87° , ∠D = 66.87°
(iii)

∠B = 45° , ∠C = 90° , ∠D = 45°
(iv)

∠B = 43.28° , ∠C = 63.03° , ∠D = 73.69°
(v)

∠B = 60° , ∠C = 60° , ∠D = 60°

Question 16

16.

Which of the following are measures of an isosceles triangle ?

(i)

∠K = 43.03° , ∠L = 90° , ∠M = 46.97°
(ii)

∠K = 51.32° , ∠L = 59.17° , ∠M = 69.51°
(iii)

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

∠K = 60° , ∠L = 60° , ∠M = 60°
(v)

∠K = 73.62° , ∠L = 56.25° , ∠M = 50.13°

Question 17

17.

Which of the following are measures of a scalene triangle ?

(i)

∠C = 88.86° , ∠D = 45.57° , ∠E = 45.57°
(ii)

∠C = 45° , ∠D = 90° , ∠E = 45°
(iii)

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

∠C = 60° , ∠D = 60° , ∠E = 60°
(v)

∠C = 59.3° , ∠D = 68.68° , ∠E = 52.02°

Question 18

18.

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

(i)

∠H = 60° , ∠I = 60° , ∠J = 60°
(ii)

∠H = 49.09° , ∠I = 90° , ∠J = 40.91°
(iii)

∠H = 44.42° , ∠I = 62.96° , ∠J = 72.62°
(iv)

∠H = 102.91° , ∠I = 36.56° , ∠J = 40.53°
(v)

∠H = 79.04° , ∠I = 50.48° , ∠J = 50.48°

Question 19

19.

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

(i)

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

∠C = 106.26° , ∠D = 36.87° , ∠E = 36.87°
(iii)

∠C = 45° , ∠D = 90° , ∠E = 45°
(iv)

∠C = 65.16° , ∠D = 57.42° , ∠E = 57.42°
(v)

∠C = 60° , ∠D = 60° , ∠E = 60°

Question 20

20.

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

(i)

∠C = 119.06° , ∠D = 31.63° , ∠E = 29.31°
(ii)

∠C = 45° , ∠D = 90° , ∠E = 45°
(iii)

∠C = 49.09° , ∠D = 90° , ∠E = 40.91°
(iv)

∠C = 69.98° , ∠D = 48.74° , ∠E = 61.28°
(v)

∠C = 91.3° , ∠D = 37.66° , ∠E = 51.04°

Question 21

21.

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

(i)

∠A = 45° , ∠B = 90° , ∠C = 45°
(ii)

∠A = 51.32° , ∠B = 69.51° , ∠C = 59.17°
(iii)

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

∠A = 104.9° , ∠B = 36.03° , ∠C = 39.07°
(v)

∠A = 73.69° , ∠B = 43.28° , ∠C = 63.03°

Question 22

22.

Which of the following are measures of an equilateral triangle ?

(i)

∠I = 45° , ∠J = 90° , ∠K = 45°
(ii)

∠I = 85.98° , ∠J = 47.01° , ∠K = 47.01°
(iii)

∠I = 51.32° , ∠J = 59.17° , ∠K = 69.51°
(iv)

∠I = 60° , ∠J = 60° , ∠K = 60°
(v)

∠I = 33.69° , ∠J = 90° , ∠K = 56.31°

Question 23

23.

Which of the following are measures of an isosceles triangle ?

(i)

∠A = 66.74° , ∠B = 56.63° , ∠C = 56.63°
(ii)

∠A = 60° , ∠B = 60° , ∠C = 60°
(iii)

∠A = 57.56° , ∠B = 45.57° , ∠C = 76.87°
(iv)

∠A = 45.21° , ∠B = 51.32° , ∠C = 83.47°
(v)

∠A = 47.49° , ∠B = 90° , ∠C = 42.51°

Question 24

24.

Which of the following are measures of a scalene triangle ?

(i)

∠D = 45° , ∠E = 90° , ∠F = 45°
(ii)

∠D = 47.16° , ∠E = 66.42° , ∠F = 66.42°
(iii)

∠D = 60° , ∠E = 60° , ∠F = 60°
(iv)

∠D = 68.68° , ∠E = 59.3° , ∠F = 52.02°
(v)

∠D = 66.12° , ∠E = 56.94° , ∠F = 56.94°

Question 25

25.

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

(i)

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

∠M = 38.66° , ∠N = 90° , ∠O = 51.34°
(iii)

∠M = 76.87° , ∠N = 57.56° , ∠O = 45.57°
(iv)

∠M = 135.33° , ∠N = 19.72° , ∠O = 24.95°
(v)

∠M = 60° , ∠N = 60° , ∠O = 60°

Question 26

26.

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

(i)

∠E = 76.33° , ∠F = 55.3° , ∠G = 48.37°
(ii)

∠E = 95.52° , ∠F = 44.17° , ∠G = 40.31°
(iii)

∠E = 45.21° , ∠F = 51.32° , ∠G = 83.47°
(iv)

∠E = 45° , ∠F = 90° , ∠G = 45°
(v)

∠E = 60° , ∠F = 60° , ∠G = 60°

Question 27

27.

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

(i)

∠N = 94.41° , ∠O = 49.68° , ∠P = 35.91°
(ii)

∠N = 45° , ∠O = 90° , ∠P = 45°
(iii)

∠N = 94.94° , ∠O = 48.35° , ∠P = 36.71°
(iv)

∠N = 61.26° , ∠O = 46.95° , ∠P = 71.79°
(v)

∠N = 38.66° , ∠O = 90° , ∠P = 51.34°

Question 28

28.

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

(i)

∠B = 36.25° , ∠C = 90° , ∠D = 53.75°
(ii)

∠B = 53.13° , ∠C = 67.38° , ∠D = 59.49°
(iii)

∠B = 70.81° , ∠C = 61.28° , ∠D = 47.91°
(iv)

∠B = 99.15° , ∠C = 38.1° , ∠D = 42.75°
(v)

∠B = 45° , ∠C = 90° , ∠D = 45°

Question 29

29.

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

(i)

MN = 6 cm , NO = 16 cm , OM = 5 cm
(ii)

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

MN = 20 cm , NO = 11 cm , OM = 5 cm
(iv)

MN = 6 cm , NO = 11 cm , OM = 20 cm
(v)

MN = 18 cm , NO = 11 cm , OM = 6 cm

Question 30

30.

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

(i)

∠K = 32.40° , ∠L = 55.10° , ∠M = 65.90°
(ii)

∠K = 44.90° , ∠L = 89.30° , ∠M = 57.30°
(iii)

∠K = 80.40° , ∠L = 87.80° , ∠M = 108.60°
(iv)

∠K = 105.70° , ∠L = 52.60° , ∠M = 111.40°
(v)

∠K = 97.18° , ∠L = 41.41° , ∠M = 41.41°

Assignment Key