EduSahara™ Worksheet

Question 1

1.

Which of the following are measures of an equilateral triangle ?

(i)

HI = 15 cm , IJ = 10 cm , JH = 15 cm
(ii)

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

HI = 12 cm , IJ = 15 cm , JH = 19.21 cm
(iv)

HI = 13 cm , IJ = 13 cm , JH = 18.38 cm
(v)

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

Question 2

2.

Which of the following are measures of an isosceles triangle ?

(i)

JK = 14 cm , KL = 14 cm , LJ = 14 cm
(ii)

JK = 10 cm , KL = 13 cm , LJ = 16.4 cm
(iii)

JK = 13 cm , KL = 15 cm , LJ = 12 cm
(iv)

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

JK = 15 cm , KL = 11 cm , LJ = 14 cm

Question 3

3.

Which of the following are measures of a scalene triangle ?

(i)

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

NO = 12 cm , OP = 12 cm , PN = 12 cm
(iii)

NO = 14 cm , OP = 15 cm , PN = 14 cm
(iv)

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

NO = 11 cm , OP = 13 cm , PN = 11 cm

Question 4

4.

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

(i)

GH = 12 cm , HI = 11 cm , IG = 10 cm
(ii)

GH = 13 cm , HI = 18 cm , IG = 10 cm
(iii)

GH = 10 cm , HI = 13 cm , IG = 13 cm
(iv)

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

GH = 15 cm , HI = 12 cm , IG = 19.21 cm

Question 5

5.

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

(i)

IJ = 12 cm , JK = 13 cm , KI = 14 cm
(ii)

IJ = 10 cm , JK = 12 cm , KI = 14 cm
(iii)

IJ = 13 cm , JK = 21 cm , KI = 13 cm
(iv)

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

IJ = 14 cm , JK = 14 cm , KI = 19.8 cm

Question 6

6.

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

(i)

KL = 13 cm , LM = 19 cm , MK = 12 cm
(ii)

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

KL = 14 cm , LM = 15 cm , MK = 20.52 cm
(iv)

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

KL = 15 cm , LM = 22 cm , MK = 15 cm

Question 7

7.

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

(i)

LM = 11 cm , MN = 11 cm , NL = 15.56 cm
(ii)

LM = 11 cm , MN = 18 cm , NL = 11 cm
(iii)

LM = 11 cm , MN = 14 cm , NL = 17.8 cm
(iv)

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

LM = 10 cm , MN = 13 cm , NL = 12 cm

Question 8

8.

Which of the following are measures of an equilateral triangle ?

(i)

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

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

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

HI = 12 cm , IJ = 11 cm , JH = 16.28 cm
(v)

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

Question 9

9.

Which of the following are measures of an isosceles triangle ?

(i)

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

DE = 11 cm , EF = 14 cm , FD = 17.8 cm
(iii)

DE = 12 cm , EF = 13 cm , FD = 12 cm
(iv)

DE = 15 cm , EF = 13 cm , FD = 14 cm
(v)

DE = 11 cm , EF = 11 cm , FD = 11 cm

Question 10

10.

Which of the following are measures of a scalene triangle ?

(i)

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

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

CD = 10 cm , DE = 11 cm , EC = 13 cm
(iv)

CD = 11 cm , DE = 11 cm , EC = 15.56 cm
(v)

CD = 11 cm , DE = 12 cm , EC = 11 cm

Question 11

11.

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

(i)

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

IJ = 12 cm , JK = 11 cm , KI = 14 cm
(iii)

IJ = 15 cm , JK = 10 cm , KI = 13 cm
(iv)

IJ = 15 cm , JK = 22 cm , KI = 10 cm
(v)

IJ = 11 cm , JK = 13 cm , KI = 17.03 cm

Question 12

12.

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

(i)

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

IJ = 10 cm , JK = 14 cm , KI = 13 cm
(iii)

IJ = 10 cm , JK = 10 cm , KI = 14.14 cm
(iv)

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

IJ = 10 cm , JK = 16 cm , KI = 11 cm

Question 13

13.

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

(i)

NO = 13 cm , OP = 10 cm , PN = 16.4 cm
(ii)

NO = 13 cm , OP = 13 cm , PN = 18.38 cm
(iii)

NO = 12 cm , OP = 12 cm , PN = 13 cm
(iv)

NO = 15 cm , OP = 25 cm , PN = 14 cm
(v)

NO = 15 cm , OP = 22 cm , PN = 13 cm

Question 14

14.

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

(i)

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

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

DE = 15 cm , EF = 11 cm , FD = 11 cm
(iv)

DE = 10 cm , EF = 21 cm , FD = 13 cm
(v)

DE = 12 cm , EF = 11 cm , FD = 16.28 cm

Question 15

15.

Which of the following are measures of an equilateral triangle ?

(i)

∠O = 49.76° , ∠P = 90° , ∠Q = 40.24°
(ii)

∠O = 50.06° , ∠P = 64.97° , ∠Q = 64.97°
(iii)

∠O = 49.32° , ∠P = 55.83° , ∠Q = 74.85°
(iv)

∠O = 60° , ∠P = 60° , ∠Q = 60°
(v)

∠O = 45° , ∠P = 90° , ∠Q = 45°

Question 16

16.

Which of the following are measures of an isosceles triangle ?

(i)

∠L = 41.08° , ∠M = 58.67° , ∠N = 80.25°
(ii)

∠L = 60° , ∠M = 60° , ∠N = 60°
(iii)

∠L = 42.88° , ∠M = 90° , ∠N = 47.12°
(iv)

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

∠L = 48.37° , ∠M = 76.33° , ∠N = 55.3°

Question 17

17.

Which of the following are measures of a scalene triangle ?

(i)

∠K = 88.86° , ∠L = 45.57° , ∠M = 45.57°
(ii)

∠K = 60° , ∠L = 60° , ∠M = 60°
(iii)

∠K = 45° , ∠L = 90° , ∠M = 45°
(iv)

∠K = 72.44° , ∠L = 53.78° , ∠M = 53.78°
(v)

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

Question 18

18.

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

(i)

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

∠L = 106.73° , ∠M = 30.11° , ∠N = 43.16°
(iii)

∠L = 42.88° , ∠M = 90° , ∠N = 47.12°
(iv)

∠L = 60° , ∠M = 60° , ∠N = 60°
(v)

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

Question 19

19.

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

(i)

∠I = 48.37° , ∠J = 76.33° , ∠K = 55.3°
(ii)

∠I = 67.38° , ∠J = 53.13° , ∠K = 59.49°
(iii)

∠I = 102.21° , ∠J = 32.89° , ∠K = 44.9°
(iv)

∠I = 60° , ∠J = 60° , ∠K = 60°
(v)

∠I = 45° , ∠J = 90° , ∠K = 45°

Question 20

20.

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

(i)

∠P = 137.92° , ∠Q = 21.04° , ∠R = 21.04°
(ii)

∠P = 74.85° , ∠Q = 49.32° , ∠R = 55.83°
(iii)

∠P = 42.71° , ∠Q = 90° , ∠R = 47.29°
(iv)

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

∠P = 45° , ∠Q = 90° , ∠R = 45°

Question 21

21.

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

(i)

∠O = 54.46° , ∠P = 90° , ∠Q = 35.54°
(ii)

∠O = 116.39° , ∠P = 27.86° , ∠Q = 35.75°
(iii)

∠O = 45° , ∠P = 90° , ∠Q = 45°
(iv)

∠O = 53.13° , ∠P = 53.13° , ∠Q = 73.74°
(v)

∠O = 50.13° , ∠P = 73.62° , ∠Q = 56.25°

Question 22

22.

Which of the following are measures of an equilateral triangle ?

(i)

∠O = 45° , ∠P = 90° , ∠Q = 45°
(ii)

∠O = 47.16° , ∠P = 66.42° , ∠Q = 66.42°
(iii)

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

∠O = 51.32° , ∠P = 45.21° , ∠Q = 83.47°
(v)

∠O = 60° , ∠P = 60° , ∠Q = 60°

Question 23

23.

Which of the following are measures of an isosceles triangle ?

(i)

∠D = 60° , ∠E = 60° , ∠F = 60°
(ii)

∠D = 66.12° , ∠E = 56.94° , ∠F = 56.94°
(iii)

∠D = 42.71° , ∠E = 90° , ∠F = 47.29°
(iv)

∠D = 80.25° , ∠E = 41.08° , ∠F = 58.67°
(v)

∠D = 59.17° , ∠E = 51.32° , ∠F = 69.51°

Question 24

24.

Which of the following are measures of a scalene triangle ?

(i)

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

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

∠L = 45° , ∠M = 90° , ∠N = 45°
(iv)

∠L = 38.94° , ∠M = 70.53° , ∠N = 70.53°
(v)

∠L = 60° , ∠M = 60° , ∠N = 60°

Question 25

25.

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

(i)

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

∠D = 61.26° , ∠E = 46.95° , ∠F = 71.79°
(iii)

∠D = 132.17° , ∠E = 19.69° , ∠F = 28.14°
(iv)

∠D = 38.16° , ∠E = 90° , ∠F = 51.84°
(v)

∠D = 60° , ∠E = 60° , ∠F = 60°

Question 26

26.

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

(i)

∠P = 104.9° , ∠Q = 39.07° , ∠R = 36.03°
(ii)

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

∠P = 45° , ∠Q = 90° , ∠R = 45°
(iv)

∠P = 50.48° , ∠Q = 79.04° , ∠R = 50.48°
(v)

∠P = 60° , ∠Q = 60° , ∠R = 60°

Question 27

27.

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

(i)

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

∠E = 45° , ∠F = 90° , ∠G = 45°
(iii)

∠E = 49.46° , ∠F = 81.08° , ∠G = 49.46°
(iv)

∠E = 94.94° , ∠F = 36.71° , ∠G = 48.35°
(v)

∠E = 136.3° , ∠F = 23.49° , ∠G = 20.21°

Question 28

28.

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

(i)

∠I = 45° , ∠J = 90° , ∠K = 45°
(ii)

∠I = 114.22° , ∠J = 31.41° , ∠K = 34.37°
(iii)

∠I = 49.25° , ∠J = 65.37° , ∠K = 65.38°
(iv)

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

∠I = 43.03° , ∠J = 90° , ∠K = 46.97°

Question 29

29.

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

(i)

FG = 5 cm , GH = 10 cm , HF = 16 cm
(ii)

FG = 7 cm , GH = 5 cm , HF = 13 cm
(iii)

FG = 20 cm , GH = 6 cm , HF = 11 cm
(iv)

FG = 7 cm , GH = 16 cm , HF = 6 cm
(v)

FG = 11 cm , GH = 14 cm , HF = 13 cm

Question 30

30.

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

(i)

∠C = 37.20° , ∠D = 39.30° , ∠E = 44.10°
(ii)

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

∠C = 53.80° , ∠D = 75.50° , ∠E = 66.90°
(iv)

∠C = 105.70° , ∠D = 51.50° , ∠E = 79.10°
(v)

∠C = 118.30° , ∠D = 104.90° , ∠E = 95.50°

Assignment Key