EduSahara™ Worksheet

Question 1

1.

Which of the following are measures of an equilateral triangle ?

(i)

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

GH = 12 cm , HI = 12 cm , IG = 16.97 cm
(iii)

GH = 12 cm , HI = 11 cm , IG = 10 cm
(iv)

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

GH = 11 cm , HI = 12 cm , IG = 16.28 cm

Question 2

2.

Which of the following are measures of an isosceles triangle ?

(i)

AB = 10 cm , BC = 15 cm , CA = 18.03 cm
(ii)

AB = 14 cm , BC = 15 cm , CA = 14 cm
(iii)

AB = 10 cm , BC = 15 cm , CA = 12 cm
(iv)

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

AB = 13 cm , BC = 14 cm , CA = 15 cm

Question 3

3.

Which of the following are measures of a scalene triangle ?

(i)

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

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

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

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

PQ = 11 cm , QR = 15 cm , RP = 10 cm

Question 4

4.

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

(i)

NO = 13 cm , OP = 10 cm , PN = 12 cm
(ii)

NO = 13 cm , OP = 14 cm , PN = 19.1 cm
(iii)

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

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

NO = 14 cm , OP = 23 cm , PN = 15 cm

Question 5

5.

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

(i)

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

IJ = 13 cm , JK = 21 cm , KI = 14 cm
(iii)

IJ = 11 cm , JK = 14 cm , KI = 12 cm
(iv)

IJ = 12 cm , JK = 11 cm , KI = 15 cm
(v)

IJ = 11 cm , JK = 11 cm , KI = 15.56 cm

Question 6

6.

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

(i)

LM = 10 cm , MN = 15 cm , NL = 14 cm
(ii)

LM = 11 cm , MN = 15 cm , NL = 18.6 cm
(iii)

LM = 14 cm , MN = 22 cm , NL = 11 cm
(iv)

LM = 12 cm , MN = 20 cm , NL = 14 cm
(v)

LM = 13 cm , MN = 13 cm , NL = 18.38 cm

Question 7

7.

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

(i)

LM = 15 cm , MN = 24 cm , NL = 14 cm
(ii)

LM = 12 cm , MN = 12 cm , NL = 16.97 cm
(iii)

LM = 10 cm , MN = 14 cm , NL = 15 cm
(iv)

LM = 14 cm , MN = 13 cm , NL = 10 cm
(v)

LM = 15 cm , MN = 12 cm , NL = 19.21 cm

Question 8

8.

Which of the following are measures of an equilateral triangle ?

(i)

BC = 13 cm , CD = 12 cm , DB = 17.69 cm
(ii)

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

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

BC = 14 cm , CD = 15 cm , DB = 13 cm
(v)

BC = 10 cm , CD = 10 cm , DB = 14.14 cm

Question 9

9.

Which of the following are measures of an isosceles triangle ?

(i)

IJ = 11 cm , JK = 14 cm , KI = 11 cm
(ii)

IJ = 10 cm , JK = 14 cm , KI = 17.2 cm
(iii)

IJ = 14 cm , JK = 14 cm , KI = 14 cm
(iv)

IJ = 10 cm , JK = 12 cm , KI = 14 cm
(v)

IJ = 12 cm , JK = 13 cm , KI = 14 cm

Question 10

10.

Which of the following are measures of a scalene triangle ?

(i)

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

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

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

BC = 12 cm , CD = 13 cm , DB = 12 cm
(v)

BC = 13 cm , CD = 13 cm , DB = 18.38 cm

Question 11

11.

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

(i)

PQ = 14 cm , QR = 13 cm , RP = 15 cm
(ii)

PQ = 11 cm , QR = 23 cm , RP = 15 cm
(iii)

PQ = 15 cm , QR = 12 cm , RP = 19.21 cm
(iv)

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

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

Question 12

12.

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

(i)

OP = 11 cm , PQ = 11 cm , QO = 15.56 cm
(ii)

OP = 10 cm , PQ = 17 cm , QO = 11 cm
(iii)

OP = 10 cm , PQ = 14 cm , QO = 11 cm
(iv)

OP = 12 cm , PQ = 15 cm , QO = 11 cm
(v)

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

Question 13

13.

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

(i)

EF = 10 cm , FG = 12 cm , GE = 15.62 cm
(ii)

EF = 13 cm , FG = 22 cm , GE = 15 cm
(iii)

EF = 11 cm , FG = 11 cm , GE = 15.56 cm
(iv)

EF = 10 cm , FG = 21 cm , GE = 13 cm
(v)

EF = 13 cm , FG = 13 cm , GE = 14 cm

Question 14

14.

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

(i)

GH = 11 cm , HI = 12 cm , IG = 10 cm
(ii)

GH = 11 cm , HI = 17 cm , IG = 10 cm
(iii)

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

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

GH = 14 cm , HI = 14 cm , IG = 19.8 cm

Question 15

15.

Which of the following are measures of an equilateral triangle ?

(i)

∠E = 44.42° , ∠F = 57.12° , ∠G = 78.46°
(ii)

∠E = 45° , ∠F = 90° , ∠G = 45°
(iii)

∠E = 60° , ∠F = 60° , ∠G = 60°
(iv)

∠E = 54.56° , ∠F = 62.72° , ∠G = 62.72°
(v)

∠E = 47.12° , ∠F = 90° , ∠G = 42.88°

Question 16

16.

Which of the following are measures of an isosceles triangle ?

(i)

∠N = 47.12° , ∠O = 90° , ∠P = 42.88°
(ii)

∠N = 60° , ∠O = 60° , ∠P = 60°
(iii)

∠N = 81.28° , ∠O = 46.46° , ∠P = 52.26°
(iv)

∠N = 65.6° , ∠O = 57.2° , ∠P = 57.2°
(v)

∠N = 50.13° , ∠O = 56.25° , ∠P = 73.62°

Question 17

17.

Which of the following are measures of a scalene triangle ?

(i)

∠E = 60° , ∠F = 60° , ∠G = 60°
(ii)

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

∠E = 71.38° , ∠F = 54.31° , ∠G = 54.31°
(iv)

∠E = 46.95° , ∠F = 71.79° , ∠G = 61.26°
(v)

∠E = 45° , ∠F = 90° , ∠G = 45°

Question 18

18.

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

(i)

∠I = 60° , ∠J = 60° , ∠K = 60°
(ii)

∠I = 55.3° , ∠J = 48.37° , ∠K = 76.33°
(iii)

∠I = 97.18° , ∠J = 41.41° , ∠K = 41.41°
(iv)

∠I = 62.97° , ∠J = 54.07° , ∠K = 62.96°
(v)

∠I = 56.31° , ∠J = 90° , ∠K = 33.69°

Question 19

19.

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

(i)

∠J = 60° , ∠K = 60° , ∠L = 60°
(ii)

∠J = 85.46° , ∠K = 52.89° , ∠L = 41.65°
(iii)

∠J = 125.43° , ∠K = 26.19° , ∠L = 28.38°
(iv)

∠J = 51.32° , ∠K = 83.47° , ∠L = 45.21°
(v)

∠J = 45° , ∠K = 90° , ∠L = 45°

Question 20

20.

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

(i)

∠L = 121.19° , ∠M = 34.77° , ∠N = 24.04°
(ii)

∠L = 45° , ∠M = 90° , ∠N = 45°
(iii)

∠L = 122.01° , ∠M = 22.67° , ∠N = 35.32°
(iv)

∠L = 57.56° , ∠M = 76.87° , ∠N = 45.57°
(v)

∠L = 49.4° , ∠M = 90° , ∠N = 40.6°

Question 21

21.

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

(i)

∠K = 38.66° , ∠L = 90° , ∠M = 51.34°
(ii)

∠K = 102.91° , ∠L = 36.56° , ∠M = 40.53°
(iii)

∠K = 45.57° , ∠L = 45.57° , ∠M = 88.86°
(iv)

∠K = 79.04° , ∠L = 50.48° , ∠M = 50.48°
(v)

∠K = 45° , ∠L = 90° , ∠M = 45°

Question 22

22.

Which of the following are measures of an equilateral triangle ?

(i)

∠I = 45° , ∠J = 90° , ∠K = 45°
(ii)

∠I = 69.51° , ∠J = 59.17° , ∠K = 51.32°
(iii)

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

∠I = 60° , ∠J = 60° , ∠K = 60°
(v)

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

Question 23

23.

Which of the following are measures of an isosceles triangle ?

(i)

∠A = 52.89° , ∠B = 41.65° , ∠C = 85.46°
(ii)

∠A = 58.67° , ∠B = 80.25° , ∠C = 41.08°
(iii)

∠A = 38.66° , ∠B = 90° , ∠C = 51.34°
(iv)

∠A = 88.86° , ∠B = 45.57° , ∠C = 45.57°
(v)

∠A = 60° , ∠B = 60° , ∠C = 60°

Question 24

24.

Which of the following are measures of a scalene triangle ?

(i)

∠D = 60° , ∠E = 60° , ∠F = 60°
(ii)

∠D = 77.36° , ∠E = 51.32° , ∠F = 51.32°
(iii)

∠D = 45° , ∠E = 90° , ∠F = 45°
(iv)

∠D = 54.56° , ∠E = 62.72° , ∠F = 62.72°
(v)

∠D = 55.3° , ∠E = 48.37° , ∠F = 76.33°

Question 25

25.

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

(i)

∠B = 40.91° , ∠C = 90° , ∠D = 49.09°
(ii)

∠B = 64.53° , ∠C = 75.31° , ∠D = 40.16°
(iii)

∠B = 60° , ∠C = 60° , ∠D = 60°
(iv)

∠B = 56.63° , ∠C = 66.74° , ∠D = 56.63°
(v)

∠B = 126.46° , ∠C = 26.77° , ∠D = 26.77°

Question 26

26.

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

(i)

∠N = 61.26° , ∠O = 46.95° , ∠P = 71.79°
(ii)

∠N = 60° , ∠O = 60° , ∠P = 60°
(iii)

∠N = 45° , ∠O = 90° , ∠P = 45°
(iv)

∠N = 41.08° , ∠O = 80.25° , ∠P = 58.67°
(v)

∠N = 116.39° , ∠O = 27.86° , ∠P = 35.75°

Question 27

27.

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

(i)

∠J = 67.97° , ∠K = 52.62° , ∠L = 59.41°
(ii)

∠J = 98.63° , ∠K = 38.99° , ∠L = 42.38°
(iii)

∠J = 45° , ∠K = 90° , ∠L = 45°
(iv)

∠J = 116.39° , ∠K = 35.75° , ∠L = 27.86°
(v)

∠J = 49.76° , ∠K = 90° , ∠L = 40.24°

Question 28

28.

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

(i)

∠A = 55.83° , ∠B = 74.85° , ∠C = 49.32°
(ii)

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

∠A = 45° , ∠B = 90° , ∠C = 45°
(iv)

∠A = 71.38° , ∠B = 54.31° , ∠C = 54.31°
(v)

∠A = 125.1° , ∠B = 30.75° , ∠C = 24.15°

Question 29

29.

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

(i)

LM = 5 cm , MN = 6 cm , NL = 19 cm
(ii)

LM = 10 cm , MN = 13 cm , NL = 11 cm
(iii)

LM = 5 cm , MN = 18 cm , NL = 9 cm
(iv)

LM = 20 cm , MN = 6 cm , NL = 5 cm
(v)

LM = 20 cm , MN = 9 cm , NL = 8 cm

Question 30

30.

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

(i)

∠M = 47.60° , ∠N = 113.80° , ∠O = 117.80°
(ii)

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

∠M = 43.10° , ∠N = 120.80° , ∠O = 96.50°
(iv)

∠M = 96.80° , ∠N = 107.30° , ∠O = 54.20°
(v)

∠M = 70.30° , ∠N = 112.40° , ∠O = 113.10°

Assignment Key