If the effective collision diameter is 2d2d2d, what would be the cross-sectional area of that "danger zone" circle? (Recall the area of a circle is πr2\pi r^2πr2).
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More than 3,200 Australians over 23 commercial flights have returned to Australia since the US and Israel attacked Iran, setting off a regional conflict and grounding thousands of international flights.
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Алексей Гусев (Редактор отдела «Спорт»)