EduSahara™ Worksheet

Question 1

1.

Which of the following are measures of an equilateral triangle ?

(i)

BC = 13 cm , CD = 15 cm , DB = 11 cm
(ii)

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

BC = 10 cm , CD = 13 cm , DB = 16.4 cm
(iv)

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

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

Question 2

2.

Which of the following are measures of an isosceles triangle ?

(i)

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

BC = 14 cm , CD = 10 cm , DB = 11 cm
(iii)

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

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

BC = 15 cm , CD = 11 cm , DB = 13 cm

Question 3

3.

Which of the following are measures of a scalene triangle ?

(i)

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

MN = 13 cm , NO = 13 cm , OM = 18.38 cm
(iii)

MN = 12 cm , NO = 15 cm , OM = 12 cm
(iv)

MN = 15 cm , NO = 14 cm , OM = 13 cm
(v)

MN = 12 cm , NO = 12 cm , OM = 12 cm

Question 4

4.

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

(i)

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

PQ = 13 cm , QR = 11 cm , RP = 17.03 cm
(iii)

PQ = 10 cm , QR = 11 cm , RP = 12 cm
(iv)

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

PQ = 11 cm , QR = 21 cm , RP = 12 cm

Question 5

5.

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

(i)

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

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

FG = 11 cm , GH = 19 cm , HF = 10 cm
(iv)

FG = 14 cm , GH = 14 cm , HF = 14 cm
(v)

FG = 11 cm , GH = 11 cm , HF = 15 cm

Question 6

6.

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

(i)

LM = 14 cm , MN = 14 cm , NL = 19.8 cm
(ii)

LM = 13 cm , MN = 10 cm , NL = 16.4 cm
(iii)

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

LM = 13 cm , MN = 23 cm , NL = 15 cm
(v)

LM = 12 cm , MN = 21 cm , NL = 12 cm

Question 7

7.

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

(i)

FG = 15 cm , GH = 15 cm , HF = 13 cm
(ii)

FG = 13 cm , GH = 11 cm , HF = 17.03 cm
(iii)

FG = 14 cm , GH = 26 cm , HF = 15 cm
(iv)

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

FG = 12 cm , GH = 13 cm , HF = 15 cm

Question 8

8.

Which of the following are measures of an equilateral triangle ?

(i)

CD = 15 cm , DE = 15 cm , EC = 21.21 cm
(ii)

CD = 12 cm , DE = 11 cm , EC = 12 cm
(iii)

CD = 13 cm , DE = 15 cm , EC = 19.85 cm
(iv)

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

CD = 13 cm , DE = 12 cm , EC = 10 cm

Question 9

9.

Which of the following are measures of an isosceles triangle ?

(i)

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

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

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

BC = 11 cm , CD = 15 cm , DB = 10 cm
(v)

BC = 11 cm , CD = 13 cm , DB = 10 cm

Question 10

10.

Which of the following are measures of a scalene triangle ?

(i)

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

CD = 15 cm , DE = 10 cm , EC = 15 cm
(iii)

CD = 12 cm , DE = 14 cm , EC = 12 cm
(iv)

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

CD = 12 cm , DE = 13 cm , EC = 15 cm

Question 11

11.

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

(i)

KL = 14 cm , LM = 11 cm , MK = 17.8 cm
(ii)

KL = 11 cm , LM = 20 cm , MK = 11 cm
(iii)

KL = 14 cm , LM = 15 cm , MK = 13 cm
(iv)

KL = 13 cm , LM = 13 cm , MK = 15 cm
(v)

KL = 11 cm , LM = 11 cm , MK = 11 cm

Question 12

12.

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

(i)

GH = 14 cm , HI = 10 cm , IG = 14 cm
(ii)

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

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

GH = 15 cm , HI = 21 cm , IG = 10 cm
(v)

GH = 13 cm , HI = 13 cm , IG = 18.38 cm

Question 13

13.

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

(i)

DE = 14 cm , EF = 18 cm , FD = 10 cm
(ii)

DE = 10 cm , EF = 11 cm , FD = 13 cm
(iii)

DE = 15 cm , EF = 22 cm , FD = 13 cm
(iv)

DE = 10 cm , EF = 10 cm , FD = 14.14 cm
(v)

DE = 12 cm , EF = 13 cm , FD = 17.69 cm

Question 14

14.

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

(i)

DE = 10 cm , EF = 10 cm , FD = 14.14 cm
(ii)

DE = 12 cm , EF = 23 cm , FD = 14 cm
(iii)

DE = 14 cm , EF = 12 cm , FD = 12 cm
(iv)

DE = 15 cm , EF = 12 cm , FD = 19.21 cm
(v)

DE = 12 cm , EF = 10 cm , FD = 10 cm

Question 15

15.

Which of the following are measures of an equilateral triangle ?

(i)

∠B = 77.36° , ∠C = 51.32° , ∠D = 51.32°
(ii)

∠B = 51.84° , ∠C = 90° , ∠D = 38.16°
(iii)

∠B = 60° , ∠C = 60° , ∠D = 60°
(iv)

∠B = 52.89° , ∠C = 41.65° , ∠D = 85.46°
(v)

∠B = 45° , ∠C = 90° , ∠D = 45°

Question 16

16.

Which of the following are measures of an isosceles triangle ?

(i)

∠H = 80.25° , ∠I = 41.08° , ∠J = 58.67°
(ii)

∠H = 60° , ∠I = 60° , ∠J = 60°
(iii)

∠H = 52.43° , ∠I = 90° , ∠J = 37.57°
(iv)

∠H = 77.36° , ∠I = 51.32° , ∠J = 51.32°
(v)

∠H = 49.32° , ∠I = 55.83° , ∠J = 74.85°

Question 17

17.

Which of the following are measures of a scalene triangle ?

(i)

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

∠H = 60° , ∠I = 60° , ∠J = 60°
(iii)

∠H = 88.86° , ∠I = 45.57° , ∠J = 45.57°
(iv)

∠H = 45° , ∠I = 90° , ∠J = 45°
(v)

∠H = 81.08° , ∠I = 49.46° , ∠J = 49.46°

Question 18

18.

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

(i)

∠H = 110.72° , ∠I = 29.49° , ∠J = 39.79°
(ii)

∠H = 68.49° , ∠I = 68.49° , ∠J = 43.02°
(iii)

∠H = 73.62° , ∠I = 56.25° , ∠J = 50.13°
(iv)

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

∠H = 60° , ∠I = 60° , ∠J = 60°

Question 19

19.

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

(i)

∠I = 115.37° , ∠J = 35.1° , ∠K = 29.53°
(ii)

∠I = 60° , ∠J = 60° , ∠K = 60°
(iii)

∠I = 45° , ∠J = 90° , ∠K = 45°
(iv)

∠I = 48.74° , ∠J = 61.28° , ∠K = 69.98°
(v)

∠I = 51.32° , ∠J = 69.51° , ∠K = 59.17°

Question 20

20.

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

(i)

∠N = 68.49° , ∠O = 43.02° , ∠P = 68.49°
(ii)

∠N = 49.09° , ∠O = 90° , ∠P = 40.91°
(iii)

∠N = 45° , ∠O = 90° , ∠P = 45°
(iv)

∠N = 100.8° , ∠O = 43.9° , ∠P = 35.3°
(v)

∠N = 109.08° , ∠O = 33.95° , ∠P = 36.97°

Question 21

21.

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

(i)

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

∠C = 125.43° , ∠D = 28.38° , ∠E = 26.19°
(iii)

∠C = 45° , ∠D = 90° , ∠E = 45°
(iv)

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

∠C = 47.49° , ∠D = 90° , ∠E = 42.51°

Question 22

22.

Which of the following are measures of an equilateral triangle ?

(i)

∠M = 60° , ∠N = 60° , ∠O = 60°
(ii)

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

∠M = 45° , ∠N = 90° , ∠O = 45°
(iv)

∠M = 71.38° , ∠N = 54.31° , ∠O = 54.31°
(v)

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

Question 23

23.

Which of the following are measures of an isosceles triangle ?

(i)

∠P = 72.62° , ∠Q = 44.42° , ∠R = 62.96°
(ii)

∠P = 77.36° , ∠Q = 51.32° , ∠R = 51.32°
(iii)

∠P = 60° , ∠Q = 60° , ∠R = 60°
(iv)

∠P = 47.29° , ∠Q = 90° , ∠R = 42.71°
(v)

∠P = 74.85° , ∠Q = 55.83° , ∠R = 49.32°

Question 24

24.

Which of the following are measures of a scalene triangle ?

(i)

∠B = 60° , ∠C = 60° , ∠D = 60°
(ii)

∠B = 45° , ∠C = 90° , ∠D = 45°
(iii)

∠B = 47.91° , ∠C = 70.81° , ∠D = 61.28°
(iv)

∠B = 54.56° , ∠C = 62.72° , ∠D = 62.72°
(v)

∠B = 72.44° , ∠C = 53.78° , ∠D = 53.78°

Question 25

25.

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

(i)

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

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

∠N = 97.18° , ∠O = 41.41° , ∠P = 41.41°
(iv)

∠N = 60° , ∠O = 60° , ∠P = 60°
(v)

∠N = 47.29° , ∠O = 90° , ∠P = 42.71°

Question 26

26.

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

(i)

∠N = 112.62° , ∠O = 30.51° , ∠P = 36.87°
(ii)

∠N = 61.28° , ∠O = 48.74° , ∠P = 69.98°
(iii)

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

∠N = 45° , ∠O = 90° , ∠P = 45°
(v)

∠N = 60° , ∠O = 60° , ∠P = 60°

Question 27

27.

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

(i)

∠O = 45° , ∠P = 90° , ∠Q = 45°
(ii)

∠O = 64.63° , ∠P = 64.62° , ∠Q = 50.75°
(iii)

∠O = 38.16° , ∠P = 90° , ∠Q = 51.84°
(iv)

∠O = 113.74° , ∠P = 28.65° , ∠Q = 37.61°
(v)

∠O = 124.23° , ∠P = 30.22° , ∠Q = 25.55°

Question 28

28.

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

(i)

∠D = 63.03° , ∠E = 43.28° , ∠F = 73.69°
(ii)

∠D = 92.61° , ∠E = 35.33° , ∠F = 52.06°
(iii)

∠D = 45° , ∠E = 90° , ∠F = 45°
(iv)

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

∠D = 55.33° , ∠E = 62.33° , ∠F = 62.34°

Question 29

29.

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

(i)

MN = 9 cm , NO = 19 cm , OM = 8 cm
(ii)

MN = 5 cm , NO = 15 cm , OM = 7 cm
(iii)

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

MN = 10 cm , NO = 5 cm , OM = 16 cm
(v)

MN = 6 cm , NO = 17 cm , OM = 5 cm

Question 30

30.

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

(i)

∠H = 32.20° , ∠I = 75.70° , ∠J = 48.20°
(ii)

∠H = 119.10° , ∠I = 53.20° , ∠J = 65.50°
(iii)

∠H = 104.50° , ∠I = 78.20° , ∠J = 86.30°
(iv)

∠H = 55.83° , ∠I = 49.32° , ∠J = 74.85°
(v)

∠H = 98.60° , ∠I = 33.20° , ∠J = 58.80°

Assignment Key