Визначитии суму внутрышных кутыв опуклого семикутника

i will be told - i was told to me tellto me will show - to me showed to me showit gave — it give — it will giveus asked – us ask – us will askto us answered - to us answer – to us will answerus sent – us send – us will sendthey were given – they are given – they will be givento it helped – to it help - to it will helpto it advised - to it advise - to it will adviseus invited - us invite - us will invitehim called - his name is - him will call