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The centroid of an equilateral triangle is (0, 0). If two vertices of the triangle lie on  then one of them will have its coordinates

a)

b)

c)

d)

None of these


Question ID - 52947 :-

The centroid of an equilateral triangle is (0, 0). If two vertices of the triangle lie on  then one of them will have its coordinates

a)

b)

c)

d)

None of these

1 Answer
5876 Votes
3537

Answer Key : (a) -

(a)

Let the vertices ‘ ’ and ‘ ’ lie on the given line. Then,

. Equation of  is

 (for point )

Also,  for the coordinates of  and . Using parametric equation of line, we get

and 



Next Question :

If the equation of base of an equilateral triangle is  and the vertex is , then the length of the sides of the triangle is

a)

b)

c)

d)


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