EduSahara™ Worksheet

Question 1

1.

Which of the following are measures of an equilateral triangle ?

(i)

IJ = 12 cm , JK = 11 cm , KI = 12 cm
(ii)

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

IJ = 10 cm , JK = 13 cm , KI = 16.4 cm
(iv)

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

IJ = 10 cm , JK = 13 cm , KI = 11 cm

Question 2

2.

Which of the following are measures of an isosceles triangle ?

(i)

FG = 13 cm , GH = 13 cm , HF = 13 cm
(ii)

FG = 11 cm , GH = 15 cm , HF = 18.6 cm
(iii)

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

FG = 11 cm , GH = 15 cm , HF = 11 cm
(v)

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

Question 3

3.

Which of the following are measures of a scalene triangle ?

(i)

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

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

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

HI = 10 cm , IJ = 10 cm , JH = 14.14 cm
(v)

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

Question 4

4.

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

(i)

LM = 14 cm , MN = 24 cm , NL = 13 cm
(ii)

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

LM = 12 cm , MN = 11 cm , NL = 15 cm
(iv)

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

LM = 15 cm , MN = 15 cm , NL = 15 cm

Question 5

5.

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

(i)

NO = 13 cm , OP = 20 cm , PN = 14 cm
(ii)

NO = 11 cm , OP = 14 cm , PN = 13 cm
(iii)

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

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

NO = 15 cm , OP = 11 cm , PN = 15 cm

Question 6

6.

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

(i)

IJ = 15 cm , JK = 15 cm , KI = 21.21 cm
(ii)

IJ = 10 cm , JK = 14 cm , KI = 17.2 cm
(iii)

IJ = 11 cm , JK = 12 cm , KI = 15 cm
(iv)

IJ = 12 cm , JK = 18 cm , KI = 11 cm
(v)

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

Question 7

7.

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

(i)

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

NO = 10 cm , OP = 13 cm , PN = 14 cm
(iii)

NO = 14 cm , OP = 15 cm , PN = 20.52 cm
(iv)

NO = 13 cm , OP = 18 cm , PN = 10 cm
(v)

NO = 15 cm , OP = 15 cm , PN = 21.21 cm

Question 8

8.

Which of the following are measures of an equilateral triangle ?

(i)

∠N = 85.98° , ∠O = 47.01° , ∠P = 47.01°
(ii)

∠N = 35.54° , ∠O = 90° , ∠P = 54.46°
(iii)

∠N = 60° , ∠O = 60° , ∠P = 60°
(iv)

∠N = 50.13° , ∠O = 56.25° , ∠P = 73.62°
(v)

∠N = 45° , ∠O = 90° , ∠P = 45°

Question 9

9.

Which of the following are measures of an isosceles triangle ?

(i)

∠C = 47.16° , ∠D = 91.04° , ∠E = 41.8°
(ii)

∠C = 42.27° , ∠D = 90° , ∠E = 47.73°
(iii)

∠C = 77.36° , ∠D = 51.32° , ∠E = 51.32°
(iv)

∠C = 62.96° , ∠D = 44.42° , ∠E = 72.62°
(v)

∠C = 60° , ∠D = 60° , ∠E = 60°

Question 10

10.

Which of the following are measures of a scalene triangle ?

(i)

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

∠J = 38.94° , ∠K = 70.53° , ∠L = 70.53°
(iii)

∠J = 45° , ∠K = 90° , ∠L = 45°
(iv)

∠J = 70.81° , ∠K = 47.91° , ∠L = 61.28°
(v)

∠J = 60° , ∠K = 60° , ∠L = 60°

Question 11

11.

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

(i)

∠H = 44.42° , ∠I = 78.46° , ∠J = 57.12°
(ii)

∠H = 132.17° , ∠I = 28.14° , ∠J = 19.69°
(iii)

∠H = 60° , ∠I = 60° , ∠J = 60°
(iv)

∠H = 47.73° , ∠I = 90° , ∠J = 42.27°
(v)

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

Question 12

12.

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

(i)

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

∠H = 45° , ∠I = 90° , ∠J = 45°
(iii)

∠H = 83.47° , ∠I = 51.32° , ∠J = 45.21°
(iv)

∠H = 60° , ∠I = 60° , ∠J = 60°
(v)

∠H = 128.32° , ∠I = 25.84° , ∠J = 25.84°

Question 13

13.

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

(i)

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

∠D = 130.54° , ∠E = 22.33° , ∠F = 27.13°
(iii)

∠D = 45° , ∠E = 90° , ∠F = 45°
(iv)

∠D = 52.43° , ∠E = 90° , ∠F = 37.57°
(v)

∠D = 57.12° , ∠E = 78.46° , ∠F = 44.42°

Question 14

14.

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

(i)

∠H = 45° , ∠I = 90° , ∠J = 45°
(ii)

∠H = 64.97° , ∠I = 50.06° , ∠J = 64.97°
(iii)

∠H = 52.62° , ∠I = 67.97° , ∠J = 59.41°
(iv)

∠H = 50.19° , ∠I = 90° , ∠J = 39.81°
(v)

∠H = 95.52° , ∠I = 40.31° , ∠J = 44.17°

Question 15

15.

Which of the following are measures of an equilateral triangle ?

(i)

FG = 14 cm , GH = 14 cm , HF = 19.8 cm
(ii)

FG = 14 cm , GH = 13 cm , HF = 15 cm
(iii)

FG = 12 cm , GH = 13 cm , HF = 12 cm
(iv)

FG = 13 cm , GH = 15 cm , HF = 19.85 cm
(v)

FG = 14 cm , GH = 14 cm , HF = 14 cm

Question 16

16.

Which of the following are measures of an isosceles triangle ?

(i)

NO = 13 cm , OP = 14 cm , PN = 15 cm
(ii)

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

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

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

NO = 13 cm , OP = 11 cm , PN = 17.03 cm

Question 17

17.

Which of the following are measures of a scalene triangle ?

(i)

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

HI = 10 cm , IJ = 10 cm , JH = 14.14 cm
(iii)

HI = 13 cm , IJ = 11 cm , JH = 13 cm
(iv)

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

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

Question 18

18.

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

(i)

FG = 10 cm , GH = 14 cm , HF = 11 cm
(ii)

FG = 10 cm , GH = 12 cm , HF = 12 cm
(iii)

FG = 10 cm , GH = 19 cm , HF = 10 cm
(iv)

FG = 12 cm , GH = 10 cm , HF = 15.62 cm
(v)

FG = 11 cm , GH = 11 cm , HF = 11 cm

Question 19

19.

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

(i)

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

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

KL = 13 cm , LM = 19 cm , MK = 11 cm
(iv)

KL = 12 cm , LM = 10 cm , MK = 11 cm
(v)

KL = 14 cm , LM = 10 cm , MK = 13 cm

Question 20

20.

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

(i)

HI = 13 cm , IJ = 20 cm , JH = 10 cm
(ii)

HI = 12 cm , IJ = 12 cm , JH = 16.97 cm
(iii)

HI = 10 cm , IJ = 15 cm , JH = 18.03 cm
(iv)

HI = 12 cm , IJ = 15 cm , JH = 10 cm
(v)

HI = 15 cm , IJ = 19 cm , JH = 11 cm

Question 21

21.

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

(i)

IJ = 12 cm , JK = 12 cm , KI = 16.97 cm
(ii)

IJ = 15 cm , JK = 12 cm , KI = 19.21 cm
(iii)

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

IJ = 11 cm , JK = 19 cm , KI = 12 cm
(v)

IJ = 14 cm , JK = 14 cm , KI = 10 cm

Question 22

22.

Which of the following are measures of an equilateral triangle ?

(i)

∠G = 45° , ∠H = 90° , ∠I = 45°
(ii)

∠G = 47.16° , ∠H = 41.8° , ∠I = 91.04°
(iii)

∠G = 42.71° , ∠H = 90° , ∠I = 47.29°
(iv)

∠G = 81.08° , ∠H = 49.46° , ∠I = 49.46°
(v)

∠G = 60° , ∠H = 60° , ∠I = 60°

Question 23

23.

Which of the following are measures of an isosceles triangle ?

(i)

∠G = 60° , ∠H = 60° , ∠I = 60°
(ii)

∠G = 52.89° , ∠H = 85.46° , ∠I = 41.65°
(iii)

∠G = 74.85° , ∠H = 55.83° , ∠I = 49.32°
(iv)

∠G = 46.26° , ∠H = 66.87° , ∠I = 66.87°
(v)

∠G = 47.49° , ∠H = 90° , ∠I = 42.51°

Question 24

24.

Which of the following are measures of a scalene triangle ?

(i)

∠O = 77.36° , ∠P = 51.32° , ∠Q = 51.32°
(ii)

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

∠O = 45° , ∠P = 90° , ∠Q = 45°
(iv)

∠O = 65.6° , ∠P = 57.2° , ∠Q = 57.2°
(v)

∠O = 60° , ∠P = 60° , ∠Q = 60°

Question 25

25.

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

(i)

∠C = 69.51° , ∠D = 51.32° , ∠E = 59.17°
(ii)

∠C = 133.81° , ∠D = 22.12° , ∠E = 24.07°
(iii)

∠C = 36.25° , ∠D = 90° , ∠E = 53.75°
(iv)

∠C = 60° , ∠D = 60° , ∠E = 60°
(v)

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

Question 26

26.

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

(i)

∠A = 45° , ∠B = 90° , ∠C = 45°
(ii)

∠A = 105.64° , ∠B = 42.38° , ∠C = 31.98°
(iii)

∠A = 61.28° , ∠B = 48.74° , ∠C = 69.98°
(iv)

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

∠A = 60° , ∠B = 60° , ∠C = 60°

Question 27

27.

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

(i)

∠J = 50.19° , ∠K = 90° , ∠L = 39.81°
(ii)

∠J = 45° , ∠K = 90° , ∠L = 45°
(iii)

∠J = 45.57° , ∠K = 57.56° , ∠L = 76.87°
(iv)

∠J = 102.91° , ∠K = 40.53° , ∠L = 36.56°
(v)

∠J = 94.94° , ∠K = 36.71° , ∠L = 48.35°

Question 28

28.

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

(i)

∠C = 45° , ∠D = 90° , ∠E = 45°
(ii)

∠C = 55.64° , ∠D = 62.18° , ∠E = 62.18°
(iii)

∠C = 36.25° , ∠D = 90° , ∠E = 53.75°
(iv)

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

∠C = 132.72° , ∠D = 21.55° , ∠E = 25.73°

Question 29

29.

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

(i)

IJ = 6 cm , JK = 20 cm , KI = 6 cm
(ii)

IJ = 13 cm , JK = 20 cm , KI = 5 cm
(iii)

IJ = 5 cm , JK = 7 cm , KI = 18 cm
(iv)

IJ = 6 cm , JK = 19 cm , KI = 10 cm
(v)

IJ = 14 cm , JK = 12 cm , KI = 10 cm

Question 30

30.

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

(i)

∠N = 43.60° , ∠O = 86.20° , ∠P = 35.10°
(ii)

∠N = 81.28° , ∠O = 46.46° , ∠P = 52.26°
(iii)

∠N = 83.80° , ∠O = 39.50° , ∠P = 108.90°
(iv)

∠N = 53.50° , ∠O = 53.90° , ∠P = 74.10°
(v)

∠N = 120.30° , ∠O = 110.40° , ∠P = 97.90°

Assignment Key