Let G be the centroid of triangle ABC and the circumcircle of triangle AGC touches the side AB at A. If AC=1, then the length of the median of triangle ABC through the vertex A is equal to
A
`(sqrt(3))/(2)`
B
`(1)/(2)`
C
`(2)/(sqrt(3))`
D
`(5)/(sqrt(2))`
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The correct Answer is:
A
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