Practical Geometry  Lines and Angles (IMO Mathematics Olympiad Class 7): Questions 18  23 of 73
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Question number: 18
» Practical Geometry  Lines and Angles
Question
Two angles are complement. One angle less than the other. Find the greater complement angle?
Choices
Choice (4)  Response  

a. 


b.  50° 

c. 


d.  40° 

Question number: 19
» Practical Geometry  Lines and Angles
Question
In the figure, PQRS is a trapezium with PQ parallel to SR, and is a straight line. Find Y.
Choices
Choice (4)  Response  

a. 


b. 


c.  80° 

d. 


Question number: 20
» Practical Geometry  Lines and Angles
Question
If an angle is its own complementary angle, then its measure is ________.
Choices
Choice (4)  Response  

a. 


b. 


c.  45° 

d. 


Question number: 21
» Practical Geometry  Lines and Angles
Question
In the figure PQ is parallel to RS. Which of the following statement is true?
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 22
» Practical Geometry  Lines and Angles
Question
An angle is less than two times of its complement, then the smaller angle is ________.
Choices
Choice (4)  Response  

a. 


b. 


c.  50° 

d.  30° 

Question number: 23
» Practical Geometry  Lines and Angles
Question
An angle is less than three times of its supplement, then the greater angle is ________.
Choices
Choice (4)  Response  

a. 


b.  56° 

c. 


d.  125° 
