Периметр треугольника 90 см Чему равны его стороны, если их отношение равно 3: 3: 4?

I am Krivosheeva Marina. I am eighteen years old. I want to tell you a few words about my family.   I think that a family is the most important thing for everybody. A family consist of the people who always love you, support you and help you. For me it is impossible to live with (Вы написали БЕЗ – without, А нужно with - c) my family. My family is large, it consists of five persons. I have got a father, a mother, a sister and a brother. We also have grandparents and a lot of relatives.   First of I’d like to say a few words about my parents. My mother is a good-looking woman with blond hair. Her name is Nadezhda. She is forty-seven but she looks much younger. She is an operator of the boiler. She likes her job very much. My mother keeps the house and takes care of my father and us. She is very good at cooking. She always cooks very delicious meals. Our mother is very kind, but sometimes she is strict to us. My father's name is Alexey. He is forty-seven. He is a crane operator. He is a professional worker. My father does his work very well and gets good money. He is also handy with many things. He can fix almost everything. My parents have already been married for twenty-nine years. They have much in common. My parents work a lot.   My sister's name is Irina. She is twenty- eight. She is married. She has got two sons of her own. My eldest nephew’s name is Andrey. He is ten years old. He is a student of a primary school. My little nephew’s name is Maxim. He is only one. The boys are very friendly, funny and curious. My brother’s name is Roman. He is twenty- five. He has got daughter her name is Xenia. She is only one too (тоже) . She is a very sociable person, she is a funny girl. I have two grandmothers, Irina and Anna. My grandmothers are pensioners. They live not far from us. They are fond of knitting and give us much delicious meal.   We all get on with each other very well. Everyone in our family is rather busy, but we are always very happy if we have a possibility to spend some time together. My family means a lot to me.