SSC Board Practice

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SSC Grade VII - Triangles and Its Properties

Question 1

1.	The point of intersection of the bisectors of the interior angle and the two exterior opposite angles of a triangle is called
	excentre altitude median centroid incentre

Question 2

2.	Which of the following are measures of an isosceles triangle ?
	PQ = 12 cm , QR = 12 cm , RP = 12 cm PQ = 15 cm , QR = 11 cm , RP = 18.6 cm PQ = 15 cm , QR = 13 cm , RP = 14 cm PQ = 14 cm , QR = 12 cm , RP = 11 cm PQ = 11 cm , QR = 15 cm , RP = 11 cm

Question 3

3.	In the given figure, calculate the value of x.
	x = 24° x = 25° x = 26° x = 23° x = 27°

Question 4

4.	Find the unknown angles in the following figure
	D = 42° , E = 42° D = 45° , E = 45° D = 43° , E = 43° D = 46° , E = 46° D = 44° , E = 44°

Question 5

5.	In a right angled triangle, if one of the angles is 49.4°, find the third angle
	40.6° 55.6° 50.6° 45.6° 70.6°

Question 6

6.	In the given figure, calculate the value of x.
	x = 134° x = 132° x = 131° x = 130° x = 133°

Question 7

7.	Find the measures of the three angles suitable to form a triangle?
	∠P = 69.07° , ∠Q = 69.08° , ∠R = 41.85° ∠P = 69.07° , ∠Q = 69.08° , ∠R = 41.85°

Question 8

8.	Which of the following are measures of an isosceles triangle ?
	∠B = 56.31° , ∠C = 90° , ∠D = 33.69° ∠B = 66.74° , ∠C = 56.63° , ∠D = 56.63° ∠B = 73.62° , ∠C = 56.25° , ∠D = 50.13° ∠B = 60° , ∠C = 60° , ∠D = 60° ∠B = 45.57° , ∠C = 76.87° , ∠D = 57.56°

Question 9

9.	Calculate the value of x in the following figure
	x = 58.22° x = 55.22° x = 56.22° x = 59.22° x = 57.22°

Question 10

10.	The point of intersection of the altitudes of a triangle is called
	excentre centroid circumcentre altitude orthocentre

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