SSC Board Practice

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SSC Grade VII - Triangles and Its Properties

Question 1

1.	Which of the following are measures of an acute angled triangle ?
	∠L = 69.51° , ∠M = 59.17° , ∠N = 51.32° ∠L = 116.39° , ∠M = 35.75° , ∠N = 27.86° ∠L = 38.16° , ∠M = 90° , ∠N = 51.84° ∠L = 45° , ∠M = 90° , ∠N = 45° ∠L = 96.82° , ∠M = 37.36° , ∠N = 45.82°

Question 2

2.	The side opposite to the vertex P
	PQ       RP       PT       SQ       QR

Question 3

3.	In a right angled triangle, if the two non-hypotenuse sides are 8 cm and 15 cm, find the hypotenuse
	18.00 cm 16.00 cm 17.00 cm 15.00 cm 19.00 cm

Question 4

4.	Find the unknown marked angles in the following figure
	x = 110° , y = 110° x = 108° , y = 108° x = 109° , y = 109° x = 112° , y = 112° x = 111° , y = 111°

Question 5

5.	The ratio between the base angle and the vertical angle of an isosceles triangle is 1 : 1. Find each angle of the triangle
	A = 58° , B = 62° , C = 60° A = 60° , B = 60° , C = 60° A = 62° , B = 60° , C = 58° A = 58° , B = 60° , C = 62° A = 60° , B = 58° , C = 62°

Question 6

6.	Two angles of a triangle measure 64° and 53° respectively. Find the measure of the third angle of the triangle
	61° 64° 62° 65° 63°

Question 7

7.	The point of intersection of the bisectors of the interior angles of a triangle is called
	centroid median altitude incentre orthocentre

Question 8

8.	Find the unknown angle in the following figure
	x = 70° x = 72° x = 71° x = 74° x = 73°

Question 9

9.	Find the unknown marked angles in the following figure
	x = 86° , y = 109° x = 87° , y = 110° x = 88° , y = 111° x = 84° , y = 107° x = 85° , y = 108°

Question 10

10.	In the given two equilateral triangles, find ∠A + ∠C + ∠E + ∠B + ∠D + ∠F .
	361° 358° 359° 360° 362°

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