Question

доказать что a и b параллельны.​

Answer 1

угол 1 = 47° (вертикальные)

133° + <1 = 133° + 47° = 180° (одност.)

Если сумма односторонних углов равна 180°, то прямые параллельны

Answer 2

delete my account,delete my account,delete my account,delete my account, delete my account,delete my account,delete my account,delete my account delete my account.

Answer 3

зачем

Answer 4

delete my account,delete my account,delete my account,delete my account, delete my account,delete my account,delete my account,delete my account delete my account,delete my account,delete my account,delete my account, delete my account,delete my account,delete my account,delete my account.

Answer 5

что это?