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The equation of a circle with origin as ...

The equation of a circle with origin as centre and passing through the vertices of an equilateral triangle whose median is of length 3 a is

A

`x ^(2) + y^(2)=9a ^(2)`

B

`x ^(2) + y^(2) =16 a ^(2)`

C

`x ^(2) + y^(2) =4a ^(2)`

D

`x ^(2) + y^(2) =a ^(2)`

Text Solution

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The correct Answer is:
C
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TARGET PUBLICATION-CIRCLE AND CONICS -EVALUATION TEST
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