September 2018 2 30 Report

Oblicz pole powierzchni całkowitej graniastosłupa prawidłowego czworokątnego, którego pole podstawy jest równe 81cm², a kąt między przekątną ściany bocznej i krawędzią podstawy ma miarę 60°.Powinien wyjść wynik 162(1+2√₃)cm².Tylko nie wiem jak obliczyć ,proszę o obliczenia.Mogą być w załącznikach.

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Bardzo proszę o prawidłowe i dokładne przetłumaczenie tekstu. Tylko nie z translatora google itp. bo BAN!! Z góry dziekuję :)Ireland is a small island country with long history of invasions and occupations. It is believed that the first humans to settle in Ireland were Mesolithic hunters and gatherers who came across from Scotland in a small boats sometime around 8000BC. They were followed a few thousand years later by Neolithic settlers from neighbouring Britain who introduced farming and stone buildings. Later, around 500BC Ireland saw the arrival of Celtic clans from Europe who settled on the island for good and who shaped the future of the country and its people. The Celts gradually replaced the language and culture of the inhabitants of the island with their own. They divided the country into small kingdoms, each of which was ruled by a king. They made tools and weapons from bronze and iron and are remembered today for their beautiful music, art and crafts. The Island continued to be invaded by various peoples including the Vikings in the 9th century AD, the Anglo-Normans in 1171 AD, and the English who managed to bring the country under their control and create a new political state called the United Kingdom of Great Britain and Ireland in 1801. Ireland was now controlled from London and its people became subjects of the British Crown. The Irish were not allowed to own land or speak the Irish language, and were barred from many jobs. People started to emigrate to America and when a disease destroyed crops of potatoes and caused a famine between 1845 and 1852, 25% of the population either died or emigrated. The long struggle against English rule continued until Ireland Finally Gained ist freedom after a blood War of Independence between 1919 and 1921. The British pulled out of most of the country and the Free State of Ireland was created, which incorporated 5/6 of the island and which would later become the Republic of Ireland in 1949. The remaining part became Northern Ireland, which is part of the UK. Today, Ireland is an entirely independent country with its own government and very unique national identity. The population is made up of 81,5% Irish and a variety of immigrants from Europe and Asia. There are two official languages in Ireland, Irish and English. Irish is spoken in a number of rural areas, especially in the west of the country, but the majority of the population speak English. The Irish accent is different to UK accents and some vocabulary comes from the Gaelic Irish language. Irish is usually used in official contexts; the Irish word for Ireland, Eire appears on coins. Ireland is known for its impressive coastlines and beautiful green lands capes, and for this reason it is called the Emerald Isle. It is home to a variety of animals such as the red fox and the red deer, and is known for its quality horses. It also has seals, turtles and dolphins, but believe it or not, it is one of the only countries in the world where there are no wild snakes. Ireland is famous throughout the world for its rich famous artists. Famous Irish writers, actors und musicians include James Joyce, Colin Farrell and Bono. Irish culture has had a significant influence on other cultures, particularly in music and literature, which makes it one of the great little nations of the world.To tyle.
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