в треугольнике ABC AB=12см,BC=18см,угол B=70 градусов,а в треугольнике MNK MN=6см,NK=9см,LN=70градусов

Найдите сторону AC и угол C треугольника ABC,если MK=7 см, угол K=60 градусов

Как по английскому читатеся?Canada is an independent federative state. It is one of the most developed countries.

Canada consists of ten provinces and two territories.

It is situated on the North American continent. In size Canada is the second in the world after Russia. Its area is almost 10 million km2.

The capital of Canada is Ottawa, which is situated on the bank of the Ottawa River. It is famous for its beautiful parks. It is also known as the city of bridges.

Canada is very rich in forest, minerals and fur-bearing animals. It holds the first place in the world in the amount of forests. It is rich in the following natural resources: non-ferrous metals, uranium, oil, natural gas, coal.

стороны прямоугольника относятся как 4:5.Найдите отношение периметра прямоугольника к меньшей стороне.

Что называют смешанной дробью ? Приведите пример.