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The points (11,9) , (2 , 1) and (2 , -1)...

The points (11,9) , (2 , 1) and (2 , -1) are the midpoints of the sides of the triangle . Then the centroid is

A

`(5 , 3)`

B

`(-5 , -3)`

C

`(5 , -3)`

D

`(3 , 5)`

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A
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