Question

Determinar o ponto simétrico de (2,-3) em relação a (5,1/2)

Answer 1

2$\frac{(2,-3) }{2} + \frac{(x,y) }{2} = (5, \frac{1}{2} )\\\\ (2,-3) + (x,y) = 10,1\\\\ 2 +x = 10\\\\ x = 8 -3 + y = 1\\\\ y = 4\\\\ (x,y) = 8,4$