Question

Dado A (2,4) B (1-3) e G(5,3) do triângulo ABC determine C​

Answer 1

Resposta:

C(12, 8)

Explicação passo-a-passo:

$xG = \frac{xA+xB+xC}{3}\\\\5=\frac{2+1+xC}{3}\\\115= 3+xC\\\\xC=15-3\\\\xC=12\\\\yG = \frac{yA+yB+yC}{3}\\\\3=\frac{4-3+yC}{3}\\\\9=1+yC\\\\yC=9-1\\\\yC=8\\\\C(12,8)$