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If  and  represents the vertices of an equilateral triangle inscribed in a circle, then

a)

b)

c)

d)



Question ID - 53799 | SaraNextGen Top Answer

If  and  represents the vertices of an equilateral triangle inscribed in a circle, then

a)

b)

c)

d)

1 Answer
127 votes
Answer Key / Explanation : (a,b) -

(a,b)

Verteces  and  are equidistant from origin (0, 0). Hence, the origin is circumcentre (centroid) of circumcircle. Therefore, the coordinates of centroid are

But as the centroid is the origin (0, 0), therefore  and

127 votes


127