IMO Mathematics Olympiad (SOF) Class 9: Questions 330  333 of 918
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Question number: 330
» Lines, Angles and Quadrilaterals
Question
From the adjoining figure . Then the value of x is ________
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Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 331
Question
An exterior angle of a triangle is 139˚ and one of the interior opposite angle is 49˚. Then the other two angles of a triangle are
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Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 332
Question
In the adjoining figure, the value of is________.
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Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 333
Question
C1 is a circle of radius 6 cm, C2 is a circle of radius 8 cm. Jyoti wants the two circles to touch tangentially. She knows that there are two possibilities for the distance between their centers. What are these two distances?
Choices
Choice (4)  Response  

a.  6 cm and 8 cm 

b.  2 cm and 14 cm 

c.  3 cm and 4 cm 

d.  2 cm and 8 cm 
