A = pi * r^2 A = 3.14 * 50^2 A = 7,850 square miles (area of the 50 mile broadcast signal)
A = pi * r^2A = 3.14 * 75^2A = 17,662.5 = 17,663 square miles (area of the 75 mile relayed signal)
Now we just need to subtract the 50 mile signal from the 75 mile signal, so:
17,663 - 7,850 = 9,813 square miles greater
Hope this helps :)
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Correct answer: Russia's withdrawal from the war (World War I).
Russia withdrew from The Great War (which we now call World War I) after the Bolshevik Revolution brought Vladimir Lenin and the communists to power. Revolutionary activity broke out in Russia in February, 1917 -- during the time of World War I. Germany and Russia were on opposite sides in that war, and the German authorities helped Lenin, in exile, return to Russia in order to foment further revolution there and hurt the Russian government's ability to wage war in Europe. The major revolution in Russia, known as the Bolshevik Revolution, occurred in the fall of 1917. In March 1918, the new Soviet Russia government under Lenin ended its participation in the war, signing the Treaty of Brest-Litovsk.
It is believed to be Viking artifact, evidence of them not only coming to North America (confirmed with L'Anse Aux Meduses, Newfoundland, Canada) but to the US itself also
Answer:
The Middle Passage
Explanation:
The Middle Passage was the stage of the triangular trade in which millions of africans werw forcibly transported to the New World as part of the Atlantic slave trade.
The oldest mesoamerican civilization is the Olmec civilization
