IMO Mathematics Olympiad Class 9: Questions 109  113 of 919
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Question number: 109
Question
The expression equals to ________
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 110
» Lines, Angles and Quadrilaterals
Question
The given figure ABCD is a parallelogram then the values of and are________
Choices
Choice (4)  Response  

a.  35˚, 60˚ 

b.  55˚, 40˚ 

c.  70˚, 25˚ 

d.  25˚, 70˚ 

Question number: 111
» Lines, Angles and Quadrilaterals
Question
The measure of an angle is eight times the measure of its supplementary angle. Then the angles are________
Choices
Choice (4)  Response  

a.  65˚, 45˚ 

b.  63˚, 157˚ 

c.  140˚, 60˚ 

d.  20˚, 160˚ 

Question number: 112
» Lines, Angles and Quadrilaterals
Question
In the figure below, lines WX and YZ intersect at O. if and , then are equal to ________
Choices
Choice (4)  Response  

a.  150˚ 

b.  154˚ 

c.  190˚ 

d.  158˚ 

Question number: 113
» Lines, Angles and Quadrilaterals
Question
If , and, then x and y respectively are ________
Choices
Choice (4)  Response  

a.  65˚, 25˚ 

b.  90˚, 30˚ 

c.  35˚, 55˚ 

d.  45˚, 35˚ 
