CBSE Board Practice

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CBSE Grade VII - The Triangle and its Properties

Question 1

1.	Which of the following are measures of an acute angled triangle ?
	MN = 10 cm , NO = 12 cm , OM = 15.62 cm MN = 10 cm , NO = 17 cm , OM = 11 cm MN = 11 cm , NO = 11 cm , OM = 11 cm MN = 15 cm , NO = 15 cm , OM = 21.21 cm MN = 11 cm , NO = 21 cm , OM = 13 cm

Question 2

2.	In a right angled triangle, if one of the angles is 51.34°, find the third angle
	68.66° 53.66° 38.66° 43.66° 48.66°

Question 3

3.	The median corresponding to the side   MK
	KL       KO       KN       MP       LO

Question 4

4.	In  △CDE, if ∠C = 80° and ∠D = ∠E, find the measure of each of the equal angles of the triangle
	50° 52° 48° 51° 49°

Question 5

5.	In a right-angled triangle if one of the acute angles is 57°, find the measure of the other acute angle.
	34° 32° 35° 31° 33°

Question 6

6.	Two angles of a triangle measure 52° and 58° respectively. Find the measure of the third angle of the triangle
	70° 72° 68° 69° 71°

Question 7

7.	Calculate the value of the lettered angle in the following figure
	x = 51.31° x = 50.31° x = 48.31° x = 49.31° x = 52.31°

Question 8

8.	Which of the following are measures of a right angled triangle ?
	∠F = 60° , ∠G = 60° , ∠H = 60° ∠F = 57.42° , ∠G = 57.42° , ∠H = 65.16° ∠F = 67.97° , ∠G = 59.41° , ∠H = 52.62° ∠F = 37.57° , ∠G = 90° , ∠H = 52.43° ∠F = 134.18° , ∠G = 19.19° , ∠H = 26.63°

Question 9

9.	Find the measures of the three angles suitable to form a triangle?
	∠M = 46.26° , ∠N = 66.87° , ∠O = 66.87° ∠M = 30.80° , ∠N = 91.30° , ∠O = 100.10° ∠M = 90.90° , ∠N = 94.90° , ∠O = 73.80° ∠M = 111.90° , ∠N = 96.40° , ∠O = 109.10° ∠M = 90.40° , ∠N = 115.60° , ∠O = 104.20°

Question 10

10.	Find the measures of the three sides suitable to form a triangle?
	HI = 8 cm , IJ = 19 cm , JH = 8 cm HI = 17 cm , IJ = 5 cm , JH = 7 cm HI = 14 cm , IJ = 11 cm , JH = 11 cm HI = 17 cm , IJ = 8 cm , JH = 5 cm HI = 9 cm , IJ = 6 cm , JH = 17 cm

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