IMO Level 1 Mathematics Olympiad (SOF) Class 10: Questions 750  752 of 968
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Question number: 750
» Triangle, Circle & Constructions
Question
In the given figure, O is the center of the circle, then is ________.
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 751
Question
The perimeter of a sector of a circle of radius is The area of the sector is________.
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 752
» Triangle, Circle & Constructions
Question
Given below are the steps of construction of a pair of tangents to a circle of radius which are inclined to each other at an angle of . Find which of the following step is wrong.

Step I: Take a point O on the paper and draw a circle of radius

Step II: Produce to such that

Step III: Taking as the center draw a circle of radius suppose it cuts the circle drawn in step I at P and Q.

Step IV: Join and to get desired tangents.
Choices
Choice (4)  Response  

a.  Only 2 

b.  Only 3 

c.  Only 4 

d.  Only 1 
