IMO Level 1 Mathematics Olympiad (SOF) Class 7: Questions 255  261 of 1022
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Question number: 255
» Practical Geometry  Lines and Angles
Question
S: If two lines r and m intersect to each other. then the vertically opposite angles are equal.
T: Sum of all angles around a point is
Which of the following statement is true?
Choices
Choice (4)  Response  

a.  S and T are false 

b.  S is true and T is false 

c.  T is true and S is false 

d.  S and T are true 

Question number: 256
» Practical Geometry  Lines and Angles
Question
To construct a triangle how many independent measurements are required ________.
Choices
Choice (4)  Response  

a.  6 

b.  5 

c.  2 

d.  3 

Question number: 257
» Practical Geometry  Lines and Angles
Question
The angle between two hands of clock at pm is ________
Choices
Choice (4)  Response  

a. 


b. 


c.  95° 

d. 


Question number: 258
» Practical Geometry  Lines and Angles
Question
Two supplementary angles are in the ratio , than the angles are
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 259
» Practical Geometry  Lines and Angles
Question
An angle is more than five times of its supplement, then the smaller angle is ________.
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 260
» Practical Geometry  Lines and Angles
Question
A student is constructing a triangle whose sides are 5 cm, 6 cm and 9 cm. Is this triangle possible?
Choices
Choice (4)  Response  

a.  Can’t determine 

b.  Incomplete data 

c.  Yes 

d.  No, 

Question number: 261
» 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° 
