EduSahara™ Worksheet

Question 1

1.

Which of the following are measures of an equilateral triangle ?

(i)

AB = 10 cm , BC = 14 cm , CA = 10 cm
(ii)

AB = 10 cm , BC = 10 cm , CA = 10 cm
(iii)

AB = 11 cm , BC = 13 cm , CA = 14 cm
(iv)

AB = 11 cm , BC = 11 cm , CA = 15.56 cm
(v)

AB = 13 cm , BC = 12 cm , CA = 17.69 cm

Question 2

2.

Which of the following are measures of an isosceles triangle ?

(i)

MN = 11 cm , NO = 13 cm , OM = 17.03 cm
(ii)

MN = 12 cm , NO = 13 cm , OM = 11 cm
(iii)

MN = 11 cm , NO = 15 cm , OM = 11 cm
(iv)

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

MN = 10 cm , NO = 11 cm , OM = 12 cm

Question 3

3.

Which of the following are measures of a scalene triangle ?

(i)

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

HI = 11 cm , IJ = 10 cm , JH = 12 cm
(iii)

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

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

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

Question 4

4.

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

(i)

PQ = 10 cm , QR = 17 cm , RP = 13 cm
(ii)

PQ = 13 cm , QR = 15 cm , RP = 11 cm
(iii)

PQ = 11 cm , QR = 13 cm , RP = 10 cm
(iv)

PQ = 15 cm , QR = 10 cm , RP = 18.03 cm
(v)

PQ = 14 cm , QR = 14 cm , RP = 14 cm

Question 5

5.

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

(i)

CD = 13 cm , DE = 13 cm , EC = 11 cm
(ii)

CD = 11 cm , DE = 14 cm , EC = 13 cm
(iii)

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

CD = 13 cm , DE = 13 cm , EC = 18.38 cm
(v)

CD = 10 cm , DE = 16 cm , EC = 12 cm

Question 6

6.

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

(i)

MN = 13 cm , NO = 25 cm , OM = 15 cm
(ii)

MN = 10 cm , NO = 15 cm , OM = 18.03 cm
(iii)

MN = 12 cm , NO = 12 cm , OM = 16.97 cm
(iv)

MN = 12 cm , NO = 11 cm , OM = 14 cm
(v)

MN = 12 cm , NO = 20 cm , OM = 10 cm

Question 7

7.

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

(i)

PQ = 13 cm , QR = 22 cm , RP = 11 cm
(ii)

PQ = 12 cm , QR = 11 cm , RP = 16.28 cm
(iii)

PQ = 14 cm , QR = 11 cm , RP = 12 cm
(iv)

PQ = 10 cm , QR = 10 cm , RP = 14.14 cm
(v)

PQ = 10 cm , QR = 12 cm , RP = 11 cm

Question 8

8.

Which of the following are measures of an equilateral triangle ?

(i)

∠K = 60° , ∠L = 60° , ∠M = 60°
(ii)

∠K = 50.19° , ∠L = 90° , ∠M = 39.81°
(iii)

∠K = 91.04° , ∠L = 47.16° , ∠M = 41.8°
(iv)

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

∠K = 45° , ∠L = 90° , ∠M = 45°

Question 9

9.

Which of the following are measures of an isosceles triangle ?

(i)

∠N = 60° , ∠O = 60° , ∠P = 60°
(ii)

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

∠N = 46.97° , ∠O = 90° , ∠P = 43.03°
(iv)

∠N = 64.78° , ∠O = 57.61° , ∠P = 57.61°
(v)

∠N = 67.38° , ∠O = 59.49° , ∠P = 53.13°

Question 10

10.

Which of the following are measures of a scalene triangle ?

(i)

∠F = 71.79° , ∠G = 46.95° , ∠H = 61.26°
(ii)

∠F = 64.78° , ∠G = 57.61° , ∠H = 57.61°
(iii)

∠F = 79.04° , ∠G = 50.48° , ∠H = 50.48°
(iv)

∠F = 60° , ∠G = 60° , ∠H = 60°
(v)

∠F = 45° , ∠G = 90° , ∠H = 45°

Question 11

11.

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

(i)

∠B = 47.49° , ∠C = 90° , ∠D = 42.51°
(ii)

∠B = 60° , ∠C = 60° , ∠D = 60°
(iii)

∠B = 83.47° , ∠C = 51.32° , ∠D = 45.21°
(iv)

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

∠B = 133.5° , ∠C = 26.2° , ∠D = 20.3°

Question 12

12.

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

(i)

∠N = 106.26° , ∠O = 36.87° , ∠P = 36.87°
(ii)

∠N = 69.51° , ∠O = 51.32° , ∠P = 59.17°
(iii)

∠N = 59.3° , ∠O = 52.02° , ∠P = 68.68°
(iv)

∠N = 45° , ∠O = 90° , ∠P = 45°
(v)

∠N = 60° , ∠O = 60° , ∠P = 60°

Question 13

13.

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

(i)

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

∠M = 95.52° , ∠N = 40.31° , ∠O = 44.17°
(iii)

∠M = 45° , ∠N = 90° , ∠O = 45°
(iv)

∠M = 49.09° , ∠N = 90° , ∠O = 40.91°
(v)

∠M = 108.63° , ∠N = 40.25° , ∠O = 31.12°

Question 14

14.

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

(i)

∠P = 40.16° , ∠Q = 64.53° , ∠R = 75.31°
(ii)

∠P = 45° , ∠Q = 90° , ∠R = 45°
(iii)

∠P = 71.79° , ∠Q = 46.95° , ∠R = 61.26°
(iv)

∠P = 92.73° , ∠Q = 45.52° , ∠R = 41.75°
(v)

∠P = 40.24° , ∠Q = 90° , ∠R = 49.76°

Question 15

15.

Which of the following are measures of an equilateral triangle ?

(i)

NO = 12 cm , OP = 12 cm , PN = 16.97 cm
(ii)

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

NO = 13 cm , OP = 11 cm , PN = 15 cm
(iv)

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

NO = 11 cm , OP = 10 cm , PN = 14.87 cm

Question 16

16.

Which of the following are measures of an isosceles triangle ?

(i)

IJ = 12 cm , JK = 13 cm , KI = 15 cm
(ii)

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

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

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

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

Question 17

17.

Which of the following are measures of a scalene triangle ?

(i)

AB = 10 cm , BC = 12 cm , CA = 14 cm
(ii)

AB = 15 cm , BC = 15 cm , CA = 15 cm
(iii)

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

AB = 13 cm , BC = 13 cm , CA = 18.38 cm
(v)

AB = 13 cm , BC = 10 cm , CA = 13 cm

Question 18

18.

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

(i)

GH = 11 cm , HI = 13 cm , IG = 10 cm
(ii)

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

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

GH = 10 cm , HI = 23 cm , IG = 15 cm
(v)

GH = 10 cm , HI = 11 cm , IG = 14.87 cm

Question 19

19.

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

(i)

EF = 11 cm , FG = 15 cm , GE = 12 cm
(ii)

EF = 12 cm , FG = 24 cm , GE = 14 cm
(iii)

EF = 15 cm , FG = 15 cm , GE = 15 cm
(iv)

EF = 13 cm , FG = 11 cm , GE = 15 cm
(v)

EF = 11 cm , FG = 11 cm , GE = 15.56 cm

Question 20

20.

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

(i)

MN = 10 cm , NO = 10 cm , OM = 14.14 cm
(ii)

MN = 10 cm , NO = 11 cm , OM = 11 cm
(iii)

MN = 12 cm , NO = 13 cm , OM = 17.69 cm
(iv)

MN = 15 cm , NO = 25 cm , OM = 13 cm
(v)

MN = 10 cm , NO = 18 cm , OM = 11 cm

Question 21

21.

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

(i)

PQ = 15 cm , QR = 11 cm , RP = 13 cm
(ii)

PQ = 11 cm , QR = 19 cm , RP = 13 cm
(iii)

PQ = 15 cm , QR = 13 cm , RP = 12 cm
(iv)

PQ = 10 cm , QR = 10 cm , RP = 14.14 cm
(v)

PQ = 11 cm , QR = 15 cm , RP = 18.6 cm

Question 22

22.

Which of the following are measures of an equilateral triangle ?

(i)

∠A = 46.46° , ∠B = 52.26° , ∠C = 81.28°
(ii)

∠A = 97.18° , ∠B = 41.41° , ∠C = 41.41°
(iii)

∠A = 45° , ∠B = 90° , ∠C = 45°
(iv)

∠A = 60° , ∠B = 60° , ∠C = 60°
(v)

∠A = 49.76° , ∠B = 90° , ∠C = 40.24°

Question 23

23.

Which of the following are measures of an isosceles triangle ?

(i)

∠N = 91.04° , ∠O = 41.8° , ∠P = 47.16°
(ii)

∠N = 52.62° , ∠O = 59.41° , ∠P = 67.97°
(iii)

∠N = 47.73° , ∠O = 90° , ∠P = 42.27°
(iv)

∠N = 60° , ∠O = 60° , ∠P = 60°
(v)

∠N = 85.98° , ∠O = 47.01° , ∠P = 47.01°

Question 24

24.

Which of the following are measures of a scalene triangle ?

(i)

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

∠N = 45.24° , ∠O = 67.38° , ∠P = 67.38°
(iii)

∠N = 52.62° , ∠O = 67.97° , ∠P = 59.41°
(iv)

∠N = 60° , ∠O = 60° , ∠P = 60°
(v)

∠N = 45° , ∠O = 90° , ∠P = 45°

Question 25

25.

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

(i)

∠B = 131.42° , ∠C = 27.66° , ∠D = 20.92°
(ii)

∠B = 60° , ∠C = 60° , ∠D = 60°
(iii)

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

∠B = 42.88° , ∠C = 90° , ∠D = 47.12°
(v)

∠B = 74.85° , ∠C = 49.32° , ∠D = 55.83°

Question 26

26.

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

(i)

∠F = 60° , ∠G = 60° , ∠H = 60°
(ii)

∠F = 45° , ∠G = 90° , ∠H = 45°
(iii)

∠F = 102.21° , ∠G = 44.9° , ∠H = 32.89°
(iv)

∠F = 71.38° , ∠G = 54.31° , ∠H = 54.31°
(v)

∠F = 76.87° , ∠G = 45.57° , ∠H = 57.56°

Question 27

27.

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

(i)

∠C = 135.33° , ∠D = 19.72° , ∠E = 24.95°
(ii)

∠C = 76.87° , ∠D = 45.57° , ∠E = 57.56°
(iii)

∠C = 45° , ∠D = 90° , ∠E = 45°
(iv)

∠C = 42.71° , ∠D = 90° , ∠E = 47.29°
(v)

∠C = 112.62° , ∠D = 30.51° , ∠E = 36.87°

Question 28

28.

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

(i)

∠J = 45° , ∠K = 90° , ∠L = 45°
(ii)

∠J = 121.87° , ∠K = 26.41° , ∠L = 31.72°
(iii)

∠J = 43.03° , ∠K = 90° , ∠L = 46.97°
(iv)

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

∠J = 66.42° , ∠K = 66.42° , ∠L = 47.16°

Question 29

29.

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

(i)

LM = 7 cm , MN = 16 cm , NL = 7 cm
(ii)

LM = 19 cm , MN = 7 cm , NL = 5 cm
(iii)

LM = 14 cm , MN = 13 cm , NL = 15 cm
(iv)

LM = 8 cm , MN = 18 cm , NL = 8 cm
(v)

LM = 9 cm , MN = 20 cm , NL = 6 cm

Question 30

30.

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

(i)

∠N = 115.20° , ∠O = 75.80° , ∠P = 84.90°
(ii)

∠N = 41.65° , ∠O = 85.46° , ∠P = 52.89°
(iii)

∠N = 65.80° , ∠O = 85.20° , ∠P = 46.20°
(iv)

∠N = 112.50° , ∠O = 116.80° , ∠P = 120.90°
(v)

∠N = 32.20° , ∠O = 111.80° , ∠P = 78.10°

Assignment Key