Як зміниться периметр квадрата якщо його площу зменшити у 100 разів?Допоміжіть розв.язком

как перевести на русский язык, обра­щая внимание на причастия.

1. Everybody looked at the dancing girl. 2. The little plump woman standing at the window is my grandmother. 3. The man playing the piano is Kate's uncle. 4. Entering the room, she turned on the light. 5. Coming to the theatre, she saw that the perform­ance had already begun. 6. Looking out of the win­dow, he saw his mother watering the flowers. 7. Hearing the sounds of music we stopped talking 8. She went into the room, leaving the door open.