CBSE Board Practice

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CBSE Grade VII - The Triangle and its Properties

Question 1

1.	If all the three angles of a triangle are of the same measure, find the measure of each of the angles.
	61° 62° 58° 60° 59°

Question 2

2.	In a right angled triangle, if the two non-hypotenuse sides are 4 cm and 3 cm, find the hypotenuse
	4.00 cm 5.00 cm 3.00 cm 7.00 cm 6.00 cm

Question 3

3.	In the following figure, one side of a triangle has been produced. Find all the angles of the triangle.
	K = 58° , L = 45° , M = 77° K = 62° , L = 45° , M = 73° K = 60° , L = 45° , M = 75° K = 58° , L = 47° , M = 75° K = 60° , L = 43° , M = 77°

Question 4

4.	Which of the following are measures of an isosceles triangle ?
	DE = 15 cm , EF = 12 cm , FD = 15 cm DE = 14 cm , EF = 11 cm , FD = 13 cm DE = 12 cm , EF = 13 cm , FD = 17.69 cm DE = 10 cm , EF = 11 cm , FD = 13 cm DE = 10 cm , EF = 10 cm , FD = 10 cm

Question 5

5.	The name of the triangle is
	△HIJ △GHJ △FGI △FGH △GHI

Question 6

6.	Which of the following are measures of a scalene triangle ?
	KL = 10 cm , LM = 14 cm , MK = 10 cm KL = 11 cm , LM = 11 cm , MK = 15.56 cm KL = 11 cm , LM = 12 cm , MK = 11 cm KL = 10 cm , LM = 10 cm , MK = 10 cm KL = 12 cm , LM = 15 cm , MK = 10 cm

Question 7

7.	The median corresponding to the side   JK
	LO       KN       JK       JN       JM

Question 8

8.	Find the unknown marked angles in the following figure
	x = 107° , y = 147° x = 110° , y = 150° x = 111° , y = 151° x = 108° , y = 148° x = 109° , y = 149°

Question 9

9.	The altitude corresponding to the side   EF
	FI       EF       EI       EH       GJ

Question 10

10.	Which of the following are measures of an obtuse angled triangle ?
	∠B = 46.46° , ∠C = 52.26° , ∠D = 81.28° ∠B = 45° , ∠C = 90° , ∠D = 45° ∠B = 126.46° , ∠C = 26.77° , ∠D = 26.77° ∠B = 47.12° , ∠C = 90° , ∠D = 42.88° ∠B = 68.68° , ∠C = 52.02° , ∠D = 59.3°

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