Question

B & C are fixed points having co-ordinates (3, 0) and (–3, 0) respectively. If the vertical angle BAC is ${90}^{\circ }$, then the locus of the centroid of the $\Delta ABC$ has the equation.

• A.
• B.
• C.
• D.

Answer 1

The correct option is A

$\angle BAC=\frac{\pi }{2}\Rightarrow$ Circum - circle of $\Delta ABC$ is $x^2+y^2=9$