Questions
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
detailed solution
Correct option is C
It is given that the triangle is equilateral. Therefore, centroid of the triangle is same as the circumcircle.Also, Radius of the circumcircle =23 (median) =23(3a)=2aHence, the equation of the circumcircle whose centre is at(0, 0) and radius 2a, is x2+y2=(2a)2Talk to our academic expert!
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