calcule o ponto de medio de cada lado to triangulo A=(3,-3); B=(-3,0); C=(3,-3).
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xa + xb ya + yb
Mab = ( ---------- , ---------- )
2 2
3 - 3 - 3 + 0
Mab =( --------- , ----------)
2 2
0 - 3
Mab = ( ---- , --------
2 2
Mab = ( 0 , - 3/2)
-----------------------------------------------------------------------------------------
xb + xc yb + yc
Mbc = ( ---------- , ------------)
2 2
-3 + 3 0 - 3
Mbc = ( --------- , ----------)
2 2
0 - 3
Mbc = ( ----- , ------)
2 2
Mbc = ( 0 , - 3/2 )
-------------------------------------------------------------------------------------
xa + xc ya + yc
M ac = ( ----------- , ------------)
2 2
3 + 3 - 3 - 3
Mac = ( --------- , ---------)
2 2
6 - 6
Mac = ( ------ , ------ )
2 2
Mac = ( 3 , - 3 )
Mab = ( ---------- , ---------- )
2 2
3 - 3 - 3 + 0
Mab =( --------- , ----------)
2 2
0 - 3
Mab = ( ---- , --------
2 2
Mab = ( 0 , - 3/2)
-----------------------------------------------------------------------------------------
xb + xc yb + yc
Mbc = ( ---------- , ------------)
2 2
-3 + 3 0 - 3
Mbc = ( --------- , ----------)
2 2
0 - 3
Mbc = ( ----- , ------)
2 2
Mbc = ( 0 , - 3/2 )
-------------------------------------------------------------------------------------
xa + xc ya + yc
M ac = ( ----------- , ------------)
2 2
3 + 3 - 3 - 3
Mac = ( --------- , ---------)
2 2
6 - 6
Mac = ( ------ , ------ )
2 2
Mac = ( 3 , - 3 )
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