Lines, Angles and Quadrilaterals (IMO Mathematics Olympiad Class 9): Questions 44  48 of 126
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Question number: 44
» Lines, Angles and Quadrilaterals
Question
If two complementary angles are in the ratio 4: 11, then the angles are________
Choices
Choice (4)  Response  

a.  56˚, 34˚ 

b.  61˚, 29˚ 

c.  24˚, 66˚ 

d.  30˚, 60˚ 

Question number: 45
» Lines, Angles and Quadrilaterals
Question
In a parallelogram, the sum of the angle bisectors of two adjacent angles is ________
Choices
Choice (4)  Response  

a.  45˚ 

b.  60˚ 

c.  90˚ 

d.  30˚ 

Question number: 46
» Lines, Angles and Quadrilaterals
Question
The value of x in the given figure is ________
Choices
Choice (4)  Response  

a.  118˚ 

b.  20˚ 

c.  72˚ 

d.  223˚ 

Question number: 47
» Lines, Angles and Quadrilaterals
Question
In the figure, if , then x = ________
Choices
Choice (4)  Response  

a.  45˚ 

b.  60˚ 

c.  29˚ 

d.  30˚ 

Question number: 48
» Lines, Angles and Quadrilaterals
Question
The given figure, PQRS is a trapezium in which ∠P= (y + 15) ˚, ∠Q= (3y + 25) ˚, ∠R = 75˚ and ∠S = x˚ then the value of x and y are________
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 

