Understanding Elementary Shapes (IMO Mathematics Olympiad Class 6): Questions 73  75 of 82
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Question number: 73
» Understanding Elementary Shapes
Question
Find the value of x and hence, in the figure given where
Choices
Choice (4)  Response  

a.  12, 45^{0}, 45^{0 } 

b.  11, 59^{0}, 31^{0} 

c.  11, 61^{0}, 29^{0} 

d.  15, 44^{0}, 46^{0} 

Question number: 74
» Understanding Elementary Shapes
Question
Sum of all the three interior angles of a triangle is equal to ________.
Choices
Choice (4)  Response  

a.  180^{0} 

b.  360^{0} 

c.  90^{0} 

d.  120^{0} 

Question number: 75
» Understanding Elementary Shapes
Question
XYZ is a triangle. The side YZ is produced to W. and , then is equal to
Choices
Choice (4)  Response  

a. 


b. 


c. 


d.  All of the above 
