Question

answer the 7 no question ​

Answer 1

Answer:

$if \: ab || ce \: < abc = < ecd \\we \: know \: that \: the \: sum \: all \: angle \: of \: \\ triangle \: is = 180 \\ 75 + 40 + x = 180 \\ 115 + x = 180 \\ x = 180 - 115 \\ x = 65$