Ola fran

ponto medio BC

Mx = (Bx + Cx)/2 = (4 + 6)/2 = 5

My = (By + Cy)/2 = (1 + 7)/2 = 4

2 3 1

5 4 1

x y 1

2 3 1

5 4 1

det = 8 + 5y + 3x - 4x - 2y - 15 = 0

3y = x + 7

x - 3y + 7 = 0

pronto