Объяснение:
Теорема синусов:
AB/sin(<C) = BC/sin(<A) =>
BC = AB*sin(A)/sin(C)
BC = (3/2)*sin(45°)/sin(30°)
BC = 3*√2/2
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Объяснение:
Теорема синусов:
AB/sin(<C) = BC/sin(<A) =>
BC = AB*sin(A)/sin(C)
BC = (3/2)*sin(45°)/sin(30°)
BC = 3*√2/2