Question:The ratio of the ares of the incircle and circumcircle  of an equilateral triangle is : 

A `1 : 2` 
B `1 : 2` 
C `1 : 4` 
D `1: 9` 

+ Answer
C 

+ Explanation
Let radius of incircle be r. Then, radius of circumcircle = 2r. 

:. Required ratio`= (π r^2)/((π (2r)^2`

                     `= 1/4`

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Irin Moni

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