EduSahara™ Worksheet

Question 1

1.

Which of the following are measures of an equilateral triangle ?

(i)

PQ = 12 cm , QR = 15 cm , RP = 12 cm
(ii)

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

PQ = 10 cm , QR = 12 cm , RP = 15.62 cm
(iv)

PQ = 12 cm , QR = 12 cm , RP = 16.97 cm
(v)

PQ = 13 cm , QR = 13 cm , RP = 13 cm

Question 2

2.

Which of the following are measures of an isosceles triangle ?

(i)

MN = 14 cm , NO = 11 cm , OM = 10 cm
(ii)

MN = 12 cm , NO = 15 cm , OM = 19.21 cm
(iii)

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

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

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

Question 3

3.

Which of the following are measures of a scalene triangle ?

(i)

NO = 10 cm , OP = 12 cm , PN = 10 cm
(ii)

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

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

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

NO = 13 cm , OP = 14 cm , PN = 10 cm

Question 4

4.

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

(i)

EF = 15 cm , FG = 10 cm , GE = 15 cm
(ii)

EF = 13 cm , FG = 11 cm , GE = 10 cm
(iii)

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

EF = 11 cm , FG = 12 cm , GE = 16.28 cm
(v)

EF = 11 cm , FG = 23 cm , GE = 14 cm

Question 5

5.

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

(i)

GH = 10 cm , HI = 15 cm , IG = 15 cm
(ii)

GH = 15 cm , HI = 27 cm , IG = 14 cm
(iii)

GH = 13 cm , HI = 12 cm , IG = 10 cm
(iv)

GH = 10 cm , HI = 10 cm , IG = 14.14 cm
(v)

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

Question 6

6.

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

(i)

HI = 15 cm , IJ = 27 cm , JH = 15 cm
(ii)

HI = 10 cm , IJ = 18 cm , JH = 10 cm
(iii)

HI = 11 cm , IJ = 10 cm , JH = 14.87 cm
(iv)

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

HI = 11 cm , IJ = 10 cm , JH = 12 cm

Question 7

7.

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

(i)

PQ = 12 cm , QR = 12 cm , RP = 16.97 cm
(ii)

PQ = 12 cm , QR = 13 cm , RP = 17.69 cm
(iii)

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

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

PQ = 14 cm , QR = 22 cm , RP = 12 cm

Question 8

8.

Which of the following are measures of an equilateral triangle ?

(i)

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

BC = 10 cm , CD = 13 cm , DB = 12 cm
(iii)

BC = 12 cm , CD = 12 cm , DB = 16.97 cm
(iv)

BC = 12 cm , CD = 10 cm , DB = 15.62 cm
(v)

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

Question 9

9.

Which of the following are measures of an isosceles triangle ?

(i)

GH = 13 cm , HI = 15 cm , IG = 11 cm
(ii)

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

GH = 15 cm , HI = 10 cm , IG = 12 cm
(iv)

GH = 10 cm , HI = 14 cm , IG = 17.2 cm
(v)

GH = 12 cm , HI = 14 cm , IG = 12 cm

Question 10

10.

Which of the following are measures of a scalene triangle ?

(i)

IJ = 15 cm , JK = 14 cm , KI = 13 cm
(ii)

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

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

IJ = 15 cm , JK = 15 cm , KI = 21.21 cm

Question 11

11.

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

(i)

EF = 11 cm , FG = 23 cm , GE = 15 cm
(ii)

EF = 15 cm , FG = 14 cm , GE = 20.52 cm
(iii)

EF = 13 cm , FG = 13 cm , GE = 13 cm
(iv)

EF = 13 cm , FG = 10 cm , GE = 11 cm
(v)

EF = 12 cm , FG = 11 cm , GE = 10 cm

Question 12

12.

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

(i)

PQ = 12 cm , QR = 15 cm , RP = 10 cm
(ii)

PQ = 11 cm , QR = 11 cm , RP = 15.56 cm
(iii)

PQ = 14 cm , QR = 22 cm , RP = 14 cm
(iv)

PQ = 10 cm , QR = 14 cm , RP = 11 cm
(v)

PQ = 12 cm , QR = 12 cm , RP = 12 cm

Question 13

13.

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

(i)

BC = 12 cm , CD = 12 cm , DB = 16.97 cm
(ii)

BC = 15 cm , CD = 21 cm , DB = 10 cm
(iii)

BC = 11 cm , CD = 12 cm , DB = 15 cm
(iv)

BC = 10 cm , CD = 16 cm , DB = 11 cm
(v)

BC = 13 cm , CD = 11 cm , DB = 17.03 cm

Question 14

14.

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

(i)

CD = 11 cm , DE = 20 cm , EC = 14 cm
(ii)

CD = 11 cm , DE = 14 cm , EC = 17.8 cm
(iii)

CD = 14 cm , DE = 14 cm , EC = 19.8 cm
(iv)

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

CD = 11 cm , DE = 14 cm , EC = 11 cm

Question 15

15.

Which of the following are measures of an equilateral triangle ?

(i)

∠L = 45° , ∠M = 90° , ∠N = 45°
(ii)

∠L = 60° , ∠M = 60° , ∠N = 60°
(iii)

∠L = 46.26° , ∠M = 66.87° , ∠N = 66.87°
(iv)

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

∠L = 42.88° , ∠M = 90° , ∠N = 47.12°

Question 16

16.

Which of the following are measures of an isosceles triangle ?

(i)

∠A = 60° , ∠B = 60° , ∠C = 60°
(ii)

∠A = 50.13° , ∠B = 56.25° , ∠C = 73.62°
(iii)

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

∠A = 35.54° , ∠B = 90° , ∠C = 54.46°
(v)

∠A = 71.38° , ∠B = 54.31° , ∠C = 54.31°

Question 17

17.

Which of the following are measures of a scalene triangle ?

(i)

∠E = 60° , ∠F = 60° , ∠G = 60°
(ii)

∠E = 45° , ∠F = 90° , ∠G = 45°
(iii)

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

∠E = 61.28° , ∠F = 48.74° , ∠G = 69.98°
(v)

∠E = 45.24° , ∠F = 67.38° , ∠G = 67.38°

Question 18

18.

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

(i)

∠N = 60° , ∠O = 60° , ∠P = 60°
(ii)

∠N = 96.92° , ∠O = 37.92° , ∠P = 45.16°
(iii)

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

∠N = 76.33° , ∠O = 55.3° , ∠P = 48.37°
(v)

∠N = 33.69° , ∠O = 90° , ∠P = 56.31°

Question 19

19.

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

(i)

∠I = 60° , ∠J = 60° , ∠K = 60°
(ii)

∠I = 134.62° , ∠J = 20.85° , ∠K = 24.53°
(iii)

∠I = 45° , ∠J = 90° , ∠K = 45°
(iv)

∠I = 59.3° , ∠J = 68.68° , ∠K = 52.02°
(v)

∠I = 73.74° , ∠J = 53.13° , ∠K = 53.13°

Question 20

20.

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

(i)

∠B = 119.17° , ∠C = 33.47° , ∠D = 27.36°
(ii)

∠B = 49.76° , ∠C = 90° , ∠D = 40.24°
(iii)

∠B = 104.47° , ∠C = 46.57° , ∠D = 28.96°
(iv)

∠B = 45° , ∠C = 90° , ∠D = 45°
(v)

∠B = 70.46° , ∠C = 54.77° , ∠D = 54.77°

Question 21

21.

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

(i)

∠E = 49.76° , ∠F = 90° , ∠G = 40.24°
(ii)

∠E = 133.5° , ∠F = 26.2° , ∠G = 20.3°
(iii)

∠E = 45° , ∠F = 90° , ∠G = 45°
(iv)

∠E = 66.42° , ∠F = 66.42° , ∠G = 47.16°
(v)

∠E = 50.13° , ∠F = 56.25° , ∠G = 73.62°

Question 22

22.

Which of the following are measures of an equilateral triangle ?

(i)

∠E = 51.34° , ∠F = 90° , ∠G = 38.66°
(ii)

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

∠E = 41.08° , ∠F = 80.25° , ∠G = 58.67°
(iv)

∠E = 60° , ∠F = 60° , ∠G = 60°
(v)

∠E = 45° , ∠F = 90° , ∠G = 45°

Question 23

23.

Which of the following are measures of an isosceles triangle ?

(i)

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

∠C = 54.56° , ∠D = 62.72° , ∠E = 62.72°
(iii)

∠C = 47.49° , ∠D = 90° , ∠E = 42.51°
(iv)

∠C = 60° , ∠D = 60° , ∠E = 60°
(v)

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

Question 24

24.

Which of the following are measures of a scalene triangle ?

(i)

∠J = 72.44° , ∠K = 53.78° , ∠L = 53.78°
(ii)

∠J = 47.16° , ∠K = 66.42° , ∠L = 66.42°
(iii)

∠J = 61.28° , ∠K = 48.74° , ∠L = 69.98°
(iv)

∠J = 60° , ∠K = 60° , ∠L = 60°
(v)

∠J = 45° , ∠K = 90° , ∠L = 45°

Question 25

25.

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

(i)

∠G = 110.46° , ∠H = 34.77° , ∠I = 34.77°
(ii)

∠G = 60° , ∠H = 60° , ∠I = 60°
(iii)

∠G = 61.28° , ∠H = 70.81° , ∠I = 47.91°
(iv)

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

∠G = 56.94° , ∠H = 56.94° , ∠I = 66.12°

Question 26

26.

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

(i)

∠M = 120.25° , ∠N = 34.16° , ∠O = 25.59°
(ii)

∠M = 45° , ∠N = 90° , ∠O = 45°
(iii)

∠M = 60° , ∠N = 60° , ∠O = 60°
(iv)

∠M = 43.28° , ∠N = 63.03° , ∠O = 73.69°

Question 27

27.

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

(i)

∠D = 95.22° , ∠E = 44.66° , ∠F = 40.12°
(ii)

∠D = 132.88° , ∠E = 23.56° , ∠F = 23.56°
(iii)

∠D = 45° , ∠E = 90° , ∠F = 45°
(iv)

∠D = 44.42° , ∠E = 57.12° , ∠F = 78.46°
(v)

∠D = 40.24° , ∠E = 90° , ∠F = 49.76°

Question 28

28.

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

(i)

∠L = 72.44° , ∠M = 53.78° , ∠N = 53.78°
(ii)

∠L = 49.09° , ∠M = 90° , ∠N = 40.91°
(iii)

∠L = 47.16° , ∠M = 66.42° , ∠N = 66.42°
(iv)

∠L = 129.52° , ∠M = 26.53° , ∠N = 23.95°
(v)

∠L = 45° , ∠M = 90° , ∠N = 45°

Question 29

29.

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

(i)

MN = 13 cm , NO = 14 cm , OM = 13 cm
(ii)

MN = 6 cm , NO = 12 cm , OM = 20 cm
(iii)

MN = 5 cm , NO = 17 cm , OM = 8 cm
(iv)

MN = 5 cm , NO = 18 cm , OM = 9 cm
(v)

MN = 8 cm , NO = 5 cm , OM = 15 cm

Question 30

30.

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

(i)

∠M = 108.20° , ∠N = 107.60° , ∠O = 118.30°
(ii)

∠M = 106.90° , ∠N = 36.40° , ∠O = 114.90°
(iii)

∠M = 106.20° , ∠N = 39.50° , ∠O = 52.10°
(iv)

∠M = 67.80° , ∠N = 61.80° , ∠O = 108.40°
(v)

∠M = 64.53° , ∠N = 40.16° , ∠O = 75.31°

Assignment Key