Question

O triângulo ABC tem vértices A(3,1), B(2,-4) e baricentro G(5,-3). Determine o vértice C

Answer 1

Sendo G (5, -3)

G (xa+xb+xc÷3 ; ya+yb+yc÷3)

5.3=3+2+xc -3.3=1-4+xc

15-5=xc -9+3=xc

xc=10 xc=-6

C (10,-6)