Question

1. A circle having centre at the origin passes through the three vertices of an equilateral
triangle the length of its median being 9 units. Then the equation of that circle is

1).x2+y2=18
2).X2 + y2 = 81
3)x2+ y2 = 36 4)X2 +y 2= 9​

Answer 1

Answer:

may be x2+y2=9

Step-by-step explanation:

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