# Center

Calculate the coordinates of the center of gravity T [x, y] of triangle ABC; A[11,4] B[13,-7] C[-17,-18].

Correct result:

x =  2.3
y =  -7

#### Solution:

$x=\frac{11+13-17}{3}=2.3$
$y=\frac{4-7-18}{3}=-7$

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