An equilateral triangle is inscribed in the circle \[{{x}^{2}}+{{y}^{2}}={{a}^{2}}\]with one of the vertices at (a, 0). What is the equation of the side opposite to this vertex?

An equilateral triangle is inscribed in the circle \[{{x}^{2}}+{{y}^{2

1.	An equilateral triangle is inscribed in the circle \[{{x}^{2}}+{{y}^{2}}={{a}^{2}}\]with one of the vertices at (a, 0). What is the equation of the side opposite to this vertex?
A.	\[2x-a=0\]
B.	\[x+a=0\]
C.	\[2x+a=0\]
D.	\[3x-2a=0\]
Answer» D. \[3x-2a=0\]

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An equilateral triangle is inscribed in the circle \[{{x}^{2}}+{{y}^{2}}={{a}^{2}}\]with one of the vertices at (a, 0). What is the equation of the side opposite to this vertex?

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