EduSahara™ Worksheet

Question 1

1.

Which of the following are measures of an equilateral triangle ?

(i)

FG = 12 cm , GH = 15 cm , HF = 12 cm
(ii)

FG = 12 cm , GH = 15 cm , HF = 19.21 cm
(iii)

FG = 12 cm , GH = 13 cm , HF = 14 cm
(iv)

FG = 15 cm , GH = 15 cm , HF = 21.21 cm
(v)

FG = 10 cm , GH = 10 cm , HF = 10 cm

Question 2

2.

Which of the following are measures of an isosceles triangle ?

(i)

GH = 14 cm , HI = 12 cm , IG = 11 cm
(ii)

GH = 10 cm , HI = 12 cm , IG = 15.62 cm
(iii)

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

GH = 10 cm , HI = 12 cm , IG = 10 cm
(v)

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

Question 3

3.

Which of the following are measures of a scalene triangle ?

(i)

JK = 11 cm , KL = 13 cm , LJ = 11 cm
(ii)

JK = 11 cm , KL = 15 cm , LJ = 13 cm
(iii)

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

JK = 14 cm , KL = 14 cm , LJ = 19.8 cm
(v)

JK = 13 cm , KL = 14 cm , LJ = 13 cm

Question 4

4.

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

(i)

NO = 14 cm , OP = 15 cm , PN = 11 cm
(ii)

NO = 13 cm , OP = 21 cm , PN = 11 cm
(iii)

NO = 14 cm , OP = 11 cm , PN = 17.8 cm
(iv)

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

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

Question 5

5.

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

(i)

FG = 12 cm , GH = 20 cm , HF = 10 cm
(ii)

FG = 11 cm , GH = 11 cm , HF = 13 cm
(iii)

FG = 11 cm , GH = 13 cm , HF = 10 cm
(iv)

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

FG = 15 cm , GH = 15 cm , HF = 21.21 cm

Question 6

6.

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

(i)

GH = 12 cm , HI = 11 cm , IG = 16.28 cm
(ii)

GH = 11 cm , HI = 11 cm , IG = 15.56 cm
(iii)

GH = 15 cm , HI = 22 cm , IG = 12 cm
(iv)

GH = 12 cm , HI = 22 cm , IG = 12 cm
(v)

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

Question 7

7.

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

(i)

PQ = 12 cm , QR = 13 cm , RP = 11 cm
(ii)

PQ = 13 cm , QR = 11 cm , RP = 12 cm
(iii)

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

PQ = 11 cm , QR = 18 cm , RP = 12 cm
(v)

PQ = 12 cm , QR = 15 cm , RP = 19.21 cm

Question 8

8.

Which of the following are measures of an equilateral triangle ?

(i)

∠I = 60° , ∠J = 60° , ∠K = 60°
(ii)

∠I = 45° , ∠J = 90° , ∠K = 45°
(iii)

∠I = 65.16° , ∠J = 57.42° , ∠K = 57.42°
(iv)

∠I = 47.49° , ∠J = 90° , ∠K = 42.51°
(v)

∠I = 52.62° , ∠J = 59.41° , ∠K = 67.97°

Question 9

9.

Which of the following are measures of an isosceles triangle ?

(i)

∠C = 59.3° , ∠D = 68.68° , ∠E = 52.02°
(ii)

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

∠C = 73.74° , ∠D = 53.13° , ∠E = 53.13°
(iv)

∠C = 40.91° , ∠D = 90° , ∠E = 49.09°
(v)

∠C = 60° , ∠D = 60° , ∠E = 60°

Question 10

10.

Which of the following are measures of a scalene triangle ?

(i)

∠I = 45° , ∠J = 90° , ∠K = 45°
(ii)

∠I = 64.53° , ∠J = 75.31° , ∠K = 40.16°
(iii)

∠I = 73.74° , ∠J = 53.13° , ∠K = 53.13°
(iv)

∠I = 60° , ∠J = 60° , ∠K = 60°
(v)

∠I = 66.12° , ∠J = 56.94° , ∠K = 56.94°

Question 11

11.

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

(i)

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

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

∠N = 40.24° , ∠O = 90° , ∠P = 49.76°
(iv)

∠N = 125.43° , ∠O = 28.38° , ∠P = 26.19°
(v)

∠N = 60° , ∠O = 60° , ∠P = 60°

Question 12

12.

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

(i)

∠F = 111.8° , ∠G = 40.54° , ∠H = 27.66°
(ii)

∠F = 63.03° , ∠G = 43.28° , ∠H = 73.69°
(iii)

∠F = 46.46° , ∠G = 52.26° , ∠H = 81.28°
(iv)

∠F = 60° , ∠G = 60° , ∠H = 60°
(v)

∠F = 45° , ∠G = 90° , ∠H = 45°

Question 13

13.

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

(i)

∠N = 53.75° , ∠O = 90° , ∠P = 36.25°
(ii)

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

∠N = 91.3° , ∠O = 37.66° , ∠P = 51.04°
(iv)

∠N = 45° , ∠O = 90° , ∠P = 45°
(v)

∠N = 104.38° , ∠O = 41.51° , ∠P = 34.11°

Question 14

14.

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

(i)

∠P = 38.66° , ∠Q = 90° , ∠R = 51.34°
(ii)

∠P = 100.29° , ∠Q = 43.53° , ∠R = 36.18°
(iii)

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

∠P = 45° , ∠Q = 90° , ∠R = 45°
(v)

∠P = 68.68° , ∠Q = 52.02° , ∠R = 59.3°

Question 15

15.

Which of the following are measures of an equilateral triangle ?

(i)

AB = 14 cm , BC = 11 cm , CA = 17.8 cm
(ii)

AB = 14 cm , BC = 14 cm , CA = 14 cm
(iii)

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

AB = 14 cm , BC = 14 cm , CA = 19.8 cm
(v)

AB = 10 cm , BC = 15 cm , CA = 12 cm

Question 16

16.

Which of the following are measures of an isosceles triangle ?

(i)

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

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

BC = 10 cm , CD = 13 cm , DB = 14 cm
(iv)

BC = 11 cm , CD = 10 cm , DB = 14.87 cm
(v)

BC = 15 cm , CD = 12 cm , DB = 11 cm

Question 17

17.

Which of the following are measures of a scalene triangle ?

(i)

FG = 11 cm , GH = 11 cm , HF = 15.56 cm
(ii)

FG = 10 cm , GH = 13 cm , HF = 10 cm
(iii)

FG = 10 cm , GH = 14 cm , HF = 15 cm
(iv)

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

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

Question 18

18.

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

(i)

HI = 12 cm , IJ = 22 cm , JH = 13 cm
(ii)

HI = 11 cm , IJ = 14 cm , JH = 10 cm
(iii)

HI = 11 cm , IJ = 12 cm , JH = 14 cm
(iv)

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

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

Question 19

19.

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

(i)

OP = 10 cm , PQ = 11 cm , QO = 13 cm
(ii)

OP = 14 cm , PQ = 13 cm , QO = 11 cm
(iii)

OP = 12 cm , PQ = 12 cm , QO = 12 cm
(iv)

OP = 11 cm , PQ = 19 cm , QO = 14 cm
(v)

OP = 15 cm , PQ = 15 cm , QO = 21.21 cm

Question 20

20.

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

(i)

GH = 12 cm , HI = 19 cm , IG = 11 cm
(ii)

GH = 11 cm , HI = 11 cm , IG = 15.56 cm
(iii)

GH = 11 cm , HI = 13 cm , IG = 12 cm
(iv)

GH = 13 cm , HI = 21 cm , IG = 13 cm
(v)

GH = 13 cm , HI = 11 cm , IG = 17.03 cm

Question 21

21.

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

(i)

OP = 14 cm , PQ = 13 cm , QO = 10 cm
(ii)

OP = 14 cm , PQ = 26 cm , QO = 15 cm
(iii)

OP = 13 cm , PQ = 13 cm , QO = 18.38 cm
(iv)

OP = 12 cm , PQ = 15 cm , QO = 19.21 cm
(v)

OP = 14 cm , PQ = 15 cm , QO = 11 cm

Question 22

22.

Which of the following are measures of an equilateral triangle ?

(i)

∠P = 65.16° , ∠Q = 57.42° , ∠R = 57.42°
(ii)

∠P = 42.27° , ∠Q = 90° , ∠R = 47.73°
(iii)

∠P = 51.32° , ∠Q = 83.47° , ∠R = 45.21°
(iv)

∠P = 60° , ∠Q = 60° , ∠R = 60°
(v)

∠P = 45° , ∠Q = 90° , ∠R = 45°

Question 23

23.

Which of the following are measures of an isosceles triangle ?

(i)

∠D = 70.46° , ∠E = 54.77° , ∠F = 54.77°
(ii)

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

∠D = 43.03° , ∠E = 90° , ∠F = 46.97°
(iv)

∠D = 60° , ∠E = 60° , ∠F = 60°
(v)

∠D = 41.65° , ∠E = 85.46° , ∠F = 52.89°

Question 24

24.

Which of the following are measures of a scalene triangle ?

(i)

∠M = 45° , ∠N = 90° , ∠O = 45°
(ii)

∠M = 65.6° , ∠N = 57.2° , ∠O = 57.2°
(iii)

∠M = 60° , ∠N = 60° , ∠O = 60°
(iv)

∠M = 65.16° , ∠N = 57.42° , ∠O = 57.42°
(v)

∠M = 83.47° , ∠N = 51.32° , ∠O = 45.21°

Question 25

25.

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

(i)

∠K = 47.29° , ∠L = 90° , ∠M = 42.71°
(ii)

∠K = 110.72° , ∠L = 29.49° , ∠M = 39.79°
(iii)

∠K = 63.03° , ∠L = 73.69° , ∠M = 43.28°
(iv)

∠K = 60° , ∠L = 60° , ∠M = 60°
(v)

∠K = 62.33° , ∠L = 55.33° , ∠M = 62.34°

Question 26

26.

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

(i)

∠A = 92.87° , ∠B = 48.51° , ∠C = 38.62°
(ii)

∠A = 60° , ∠B = 60° , ∠C = 60°
(iii)

∠A = 45° , ∠B = 90° , ∠C = 45°
(iv)

∠A = 71.79° , ∠B = 61.26° , ∠C = 46.95°
(v)

∠A = 72.62° , ∠B = 44.42° , ∠C = 62.96°

Question 27

27.

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

(i)

∠J = 45° , ∠K = 90° , ∠L = 45°
(ii)

∠J = 129.52° , ∠K = 23.95° , ∠L = 26.53°
(iii)

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

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

∠J = 119.17° , ∠K = 27.36° , ∠L = 33.47°

Question 28

28.

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

(i)

∠M = 45° , ∠N = 90° , ∠O = 45°
(ii)

∠M = 94.34° , ∠N = 42.83° , ∠O = 42.83°
(iii)

∠M = 37.57° , ∠N = 90° , ∠O = 52.43°
(iv)

∠M = 45.21° , ∠N = 51.32° , ∠O = 83.47°
(v)

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

Question 29

29.

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

(i)

GH = 9 cm , HI = 16 cm , IG = 5 cm
(ii)

GH = 6 cm , HI = 6 cm , IG = 14 cm
(iii)

GH = 7 cm , HI = 11 cm , IG = 20 cm
(iv)

GH = 20 cm , HI = 7 cm , IG = 10 cm
(v)

GH = 12 cm , HI = 13 cm , IG = 13 cm

Question 30

30.

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

(i)

∠K = 79.20° , ∠L = 68.10° , ∠M = 95.90°
(ii)

∠K = 55.33° , ∠L = 62.33° , ∠M = 62.34°
(iii)

∠K = 44.70° , ∠L = 72.80° , ∠M = 44.90°
(iv)

∠K = 37.20° , ∠L = 60.20° , ∠M = 82.70°
(v)

∠K = 52.80° , ∠L = 118.70° , ∠M = 105.10°

Assignment Key