Второй угол при основании = 79 градусов, т. к. в равнобедренных треугольниках углы при основании равны.
угол при вершине = 180 - 79*2, т. к. сумма всех углов треугольника равна 180 градусам.
180 - 79*2 = 22 градуса
Ответ: угол при основании равен 22 градуса.
<span>1. They have just found an interesting book.
An interesting book has just been found.
2. Ann will have written a new article by Monday.
A new article will have been written by Monday.
3. Nelly had already invited us.
We had already been invited.
4. She has just made tea for all of us.
Tea has just been made for all of us.
5. He has never told the truth.
The truth has never been told.
6. Pete has not bought a new pair of trousers yet.
A new pair of trousers has not been bought yet.
7.I have met the postman recently.
The postman has been met recently.
8. Nick has already shut the door.
The door has already been shut.
9. Have you graduated from the university?
Has the university been graduated from?
10. Have you finished the article?
Has the article been finished?</span>
The parents were decorating the house.
Clare was hanging greeting cards on the walls
Jay was hanging stockings around the bed
The grandfather was decorating the Christmas tree
The grandmother was wrapping presents
The father was making Christmas cookies
The mother was making a lot of food
