EduSahara™ Worksheet

Question 1

1.

Which of the following are measures of an equilateral triangle ?

(i)

GH = 14 cm , HI = 13 cm , IG = 15 cm
(ii)

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

GH = 14 cm , HI = 11 cm , IG = 14 cm
(iv)

GH = 10 cm , HI = 11 cm , IG = 14.87 cm
(v)

GH = 11 cm , HI = 11 cm , IG = 15.56 cm

Question 2

2.

Which of the following are measures of an isosceles triangle ?

(i)

AB = 12 cm , BC = 12 cm , CA = 12 cm
(ii)

AB = 11 cm , BC = 12 cm , CA = 11 cm
(iii)

AB = 12 cm , BC = 15 cm , CA = 11 cm
(iv)

AB = 12 cm , BC = 11 cm , CA = 16.28 cm
(v)

AB = 11 cm , BC = 13 cm , CA = 12 cm

Question 3

3.

Which of the following are measures of a scalene triangle ?

(i)

MN = 10 cm , NO = 13 cm , OM = 10 cm
(ii)

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

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

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

MN = 13 cm , NO = 11 cm , OM = 14 cm

Question 4

4.

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

(i)

BC = 10 cm , CD = 12 cm , DB = 11 cm
(ii)

BC = 15 cm , CD = 22 cm , DB = 12 cm
(iii)

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

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

BC = 10 cm , CD = 10 cm , DB = 10 cm

Question 5

5.

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

(i)

PQ = 10 cm , QR = 10 cm , RP = 10 cm
(ii)

PQ = 10 cm , QR = 13 cm , RP = 12 cm
(iii)

PQ = 15 cm , QR = 26 cm , RP = 14 cm
(iv)

PQ = 10 cm , QR = 14 cm , RP = 13 cm
(v)

PQ = 11 cm , QR = 11 cm , RP = 15.56 cm

Question 6

6.

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

(i)

LM = 12 cm , MN = 17 cm , NL = 11 cm
(ii)

LM = 14 cm , MN = 10 cm , NL = 10 cm
(iii)

LM = 13 cm , MN = 11 cm , NL = 17.03 cm
(iv)

LM = 14 cm , MN = 22 cm , NL = 10 cm
(v)

LM = 10 cm , MN = 10 cm , NL = 14.14 cm

Question 7

7.

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

(i)

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

JK = 15 cm , KL = 28 cm , LJ = 15 cm
(iii)

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

JK = 12 cm , KL = 12 cm , LJ = 15 cm
(v)

JK = 14 cm , KL = 10 cm , LJ = 17.2 cm

Question 8

8.

Which of the following are measures of an equilateral triangle ?

(i)

CD = 14 cm , DE = 14 cm , EC = 14 cm
(ii)

CD = 12 cm , DE = 13 cm , EC = 12 cm
(iii)

CD = 15 cm , DE = 12 cm , EC = 10 cm
(iv)

CD = 10 cm , DE = 14 cm , EC = 17.2 cm
(v)

CD = 14 cm , DE = 14 cm , EC = 19.8 cm

Question 9

9.

Which of the following are measures of an isosceles triangle ?

(i)

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

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

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

BC = 13 cm , CD = 15 cm , DB = 19.85 cm
(v)

BC = 15 cm , CD = 10 cm , DB = 13 cm

Question 10

10.

Which of the following are measures of a scalene triangle ?

(i)

JK = 15 cm , KL = 13 cm , LJ = 14 cm
(ii)

JK = 12 cm , KL = 12 cm , LJ = 16.97 cm
(iii)

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

JK = 15 cm , KL = 12 cm , LJ = 15 cm
(v)

JK = 12 cm , KL = 11 cm , LJ = 12 cm

Question 11

11.

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

(i)

FG = 13 cm , GH = 14 cm , HF = 10 cm
(ii)

FG = 15 cm , GH = 10 cm , HF = 12 cm
(iii)

FG = 12 cm , GH = 14 cm , HF = 18.44 cm
(iv)

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

FG = 15 cm , GH = 23 cm , HF = 15 cm

Question 12

12.

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

(i)

DE = 15 cm , EF = 18 cm , FD = 10 cm
(ii)

DE = 13 cm , EF = 13 cm , FD = 13 cm
(iii)

DE = 10 cm , EF = 11 cm , FD = 12 cm
(iv)

DE = 15 cm , EF = 15 cm , FD = 21.21 cm
(v)

DE = 14 cm , EF = 11 cm , FD = 10 cm

Question 13

13.

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

(i)

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

KL = 13 cm , LM = 13 cm , MK = 18.38 cm
(iii)

KL = 10 cm , LM = 19 cm , MK = 11 cm
(iv)

KL = 14 cm , LM = 12 cm , MK = 18.44 cm
(v)

KL = 10 cm , LM = 10 cm , MK = 10 cm

Question 14

14.

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

(i)

LM = 15 cm , MN = 25 cm , NL = 14 cm
(ii)

LM = 12 cm , MN = 14 cm , NL = 14 cm
(iii)

LM = 14 cm , MN = 11 cm , NL = 15 cm
(iv)

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

LM = 13 cm , MN = 11 cm , NL = 17.03 cm

Question 15

15.

Which of the following are measures of an equilateral triangle ?

(i)

∠L = 47.49° , ∠M = 90° , ∠N = 42.51°
(ii)

∠L = 60° , ∠M = 60° , ∠N = 60°
(iii)

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

∠L = 61.26° , ∠M = 71.79° , ∠N = 46.95°
(v)

∠L = 45° , ∠M = 90° , ∠N = 45°

Question 16

16.

Which of the following are measures of an isosceles triangle ?

(i)

∠F = 44.42° , ∠G = 72.62° , ∠H = 62.96°
(ii)

∠F = 60° , ∠G = 60° , ∠H = 60°
(iii)

∠F = 76.33° , ∠G = 48.37° , ∠H = 55.3°
(iv)

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

∠F = 47.49° , ∠G = 90° , ∠H = 42.51°

Question 17

17.

Which of the following are measures of a scalene triangle ?

(i)

∠F = 45° , ∠G = 90° , ∠H = 45°
(ii)

∠F = 55.3° , ∠G = 76.33° , ∠H = 48.37°
(iii)

∠F = 70.46° , ∠G = 54.77° , ∠H = 54.77°
(iv)

∠F = 60° , ∠G = 60° , ∠H = 60°
(v)

∠F = 54.56° , ∠G = 62.72° , ∠H = 62.72°

Question 18

18.

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

(i)

∠P = 119.46° , ∠Q = 30.27° , ∠R = 30.27°
(ii)

∠P = 60° , ∠Q = 60° , ∠R = 60°
(iii)

∠P = 46.46° , ∠Q = 52.26° , ∠R = 81.28°
(iv)

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

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

Question 19

19.

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

(i)

∠G = 45° , ∠H = 90° , ∠I = 45°
(ii)

∠G = 60° , ∠H = 60° , ∠I = 60°
(iii)

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

∠G = 48.74° , ∠H = 61.28° , ∠I = 69.98°
(v)

∠G = 121.19° , ∠H = 34.77° , ∠I = 24.04°

Question 20

20.

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

(i)

∠P = 45° , ∠Q = 90° , ∠R = 45°
(ii)

∠P = 33.69° , ∠Q = 90° , ∠R = 56.31°
(iii)

∠P = 88.86° , ∠Q = 45.57° , ∠R = 45.57°
(iv)

∠P = 103.58° , ∠Q = 38.21° , ∠R = 38.21°
(v)

∠P = 137.17° , ∠Q = 20.64° , ∠R = 22.19°

Question 21

21.

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

(i)

∠N = 45° , ∠O = 90° , ∠P = 45°
(ii)

∠N = 76.87° , ∠O = 45.57° , ∠P = 57.56°
(iii)

∠N = 49.4° , ∠O = 90° , ∠P = 40.6°
(iv)

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

∠N = 111.32° , ∠O = 36.04° , ∠P = 32.64°

Question 22

22.

Which of the following are measures of an equilateral triangle ?

(i)

∠E = 45° , ∠F = 90° , ∠G = 45°
(ii)

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

∠E = 57.56° , ∠F = 45.57° , ∠G = 76.87°
(iv)

∠E = 60° , ∠F = 60° , ∠G = 60°
(v)

∠E = 52.43° , ∠F = 90° , ∠G = 37.57°

Question 23

23.

Which of the following are measures of an isosceles triangle ?

(i)

∠D = 60° , ∠E = 60° , ∠F = 60°
(ii)

∠D = 48.74° , ∠E = 61.28° , ∠F = 69.98°
(iii)

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

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

∠D = 71.38° , ∠E = 54.31° , ∠F = 54.31°

Question 24

24.

Which of the following are measures of a scalene triangle ?

(i)

∠B = 71.79° , ∠C = 46.95° , ∠D = 61.26°
(ii)

∠B = 45° , ∠C = 90° , ∠D = 45°
(iii)

∠B = 47.16° , ∠C = 66.42° , ∠D = 66.42°
(iv)

∠B = 60° , ∠C = 60° , ∠D = 60°

Question 25

25.

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

(i)

∠N = 53.13° , ∠O = 67.38° , ∠P = 59.49°
(ii)

∠N = 38.16° , ∠O = 90° , ∠P = 51.84°
(iii)

∠N = 135.59° , ∠O = 23.07° , ∠P = 21.34°
(iv)

∠N = 60° , ∠O = 60° , ∠P = 60°
(v)

∠N = 68.68° , ∠O = 59.3° , ∠P = 52.02°

Question 26

26.

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

(i)

∠F = 60° , ∠G = 60° , ∠H = 60°
(ii)

∠F = 69.51° , ∠G = 59.17° , ∠H = 51.32°
(iii)

∠F = 45° , ∠G = 90° , ∠H = 45°
(iv)

∠F = 98.63° , ∠G = 38.99° , ∠H = 42.38°
(v)

∠F = 61.28° , ∠G = 70.81° , ∠H = 47.91°

Question 27

27.

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

(i)

∠D = 45° , ∠E = 90° , ∠F = 45°
(ii)

∠D = 126.32° , ∠E = 28.91° , ∠F = 24.77°
(iii)

∠D = 121.19° , ∠E = 34.77° , ∠F = 24.04°
(iv)

∠D = 49.76° , ∠E = 90° , ∠F = 40.24°
(v)

∠D = 60° , ∠E = 60° , ∠F = 60°

Question 28

28.

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

(i)

∠H = 45° , ∠I = 90° , ∠J = 45°
(ii)

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

∠H = 49.76° , ∠I = 90° , ∠J = 40.24°
(iv)

∠H = 47.91° , ∠I = 61.28° , ∠J = 70.81°
(v)

∠H = 92.73° , ∠I = 45.52° , ∠J = 41.75°

Question 29

29.

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

(i)

HI = 6 cm , IJ = 9 cm , JH = 18 cm
(ii)

HI = 6 cm , IJ = 9 cm , JH = 17 cm
(iii)

HI = 7 cm , IJ = 16 cm , JH = 6 cm
(iv)

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

HI = 15 cm , IJ = 5 cm , JH = 9 cm

Question 30

30.

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

(i)

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

∠C = 37.50° , ∠D = 71.80° , ∠E = 85.90°
(iii)

∠C = 87.50° , ∠D = 102.60° , ∠E = 36.80°
(iv)

∠C = 56.40° , ∠D = 83.30° , ∠E = 84.60°
(v)

∠C = 79.30° , ∠D = 73.40° , ∠E = 79.10°

Assignment Key