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London bridge - лондонский мост. the first bridge in this place was built in the 13th century to connect the opposite banks of the thames. and today, in the 21st century, the london bridge has become a kind of platform for various events. connects the london districts of the city and southwark, separated by the river thames.built on the design of engineer-architect john rennie, was dismantled and sold for 1,025,000 pounds sterling. первый мост в этом месте был сооружен в 13 веке, чтобы соединить противоположные берега темзы. а сегодня, в 21 веке, лондонский мост стал своеобразной площадкой для самых разных мероприятий.связывает лондонские районы сити и саутворк, разделённые рекой темзой. построен по проекту инженера-архитектора джона ренни, был разобран и продан за 1 025 000 фунтов стерлингов.

London draws people from all over the world. some come on business, some come to study, to work or on holiday. london is naturally a very english city and it is very cosmopolitan, containing goods, food and entertainment, as well as people, from many countries of the world. london spreads its influence over much of the southern areas of england; it gives work to millions of people who live not only in the inner city areas but in surrounding districts. there is much in london which fascinates visitors and inspires the affection of londoners: the splendor of the royal palaces and the houses of parliament, the dignity of st. paul's cathedral and many monuments and beautiful parks. london shows examples of buildings that express all the different areas of its history. buckingham palace is the official london residence of the sovereign. the daily ceremony of the changing of the guards takes place in its courtyard. the palace was built in 1703 by the duke of buckingham.

если угол в равноб. треуг. при основании равен 79 градусов, то другой угол при основании тоже равен 79 градусам. 

сумма углов в треуг. равна 180 градусам, -> 180-79-79=22градуса.

ответ: угол при вершине, противолежащий основанию равен 22градуса