IMO Level 1 Mathematics Olympiad (SOF) Class 10: Questions 876  882 of 968
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Question number: 876
Question
The length of a string between a kite and a point on the ground is . If the string makes an angle with level ground such that how high is the kite?
Choices
Choice (4)  Response  

a. 
 
b.  76.96m  
c. 
 
d.  44.96m 
Question number: 877
Question
If and , then ________.
Choices
Choice (4)  Response  

a.   1  
b.  1  
c.  0  
d.  2 
Question number: 878
Question
If and , then ________.
Choices
Choice (4)  Response  

a.   1  
b.  2  
c.  1  
d.  0 
Question number: 879
Question
An observer tall is away from a chimney. The angle of elevation of he top of the chimney from her eyes is the height of the chimney is________.
Choices
Choice (4)  Response  

a.  0.52  
b.  2.5  
c.  1.45  
d.  9.86 
Question number: 880
Question
The top of a broken tree has its top end touching the ground at a distance 9m from the bottom, the angle made by the broken end with the ground is Then length of broken part is________.
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 881
Question
The top of a broken tree has its top end touching the ground at a distance 18m from the bottom, the angle made by the broken end with the ground is Then length of broken part is________.
Choices
Choice (4)  Response  

a.  36  
b.  24  
c.  14  
d.  12 
Question number: 882
Question
An observer tall is away from a chimney. The angle of elevation of he top of the chimney from her eyes is the height of the chimney is________.
Choices
Choice (4)  Response  

a.  2.2  
b.  2.5  
c.  9.02  
d.  1.45 