Question

sobre teorema de Tales calcule x e y, sabendo que a// b // c

Answer 1

$\frac{x}{4}= \frac{8,4}{5,6}\\ \\5,6x=4*8,4\\\\x = \frac{33,6}{4,6} \\\\x=6\\\\\\\frac{5,6}{y} =\frac{4}{9}\\ \\4*y=9*5,6\\\\y = \frac{50,4}{4}\\ \\y=12,6$