Triangle, Circle & Constructions (IMO Level 1 Mathematics Olympiad (SOF) Class 10): Questions 1  6 of 64
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Question number: 1
» Triangle, Circle & Constructions
Question
In the given figure then is ________
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 2
» Triangle, Circle & Constructions
Question
In the figure , then is ________
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 3
» Triangle, Circle & Constructions
Question
J, K and L are respectively the midpoints of sides XY, YZ and XZ of . Find the ratio of the area of .
Choices
Choice (4)  Response  

a.  1: 4  
b.  3: 5  
c.  2: 7  
d.  2: 3 
Question number: 4
» Triangle, Circle & Constructions
Question
In the given figure And , then ________
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 5
» Triangle, Circle & Constructions
Question
In the adjacent figure, BA and BC are produced to meet CD and AD produced in E and F. then is ________
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 6
» Triangle, Circle & Constructions
Question
Given below are the steps of construction of a pair of tangents to a circle of radius 4 cm from a point on the concentric circle of radius 6 cm. find which of the following step is wrong?
Step I: Take a point O on the plane paper and draw a circle of radius . Also, draw a concentric circle of radius .
Step II: Find the midpoint A of OB and draw a circle of radius . Suppose this circle intersects the circle of radius 4 cm at P and Q.
Step III: Join BP and BQ to get the desired tangents.
Choices
Choice (4)  Response  

a.  (1) and (2)  
b.  Only (2)  
c.  Only (1)  
d.  (2) and (3) 