Mathematics, 02.09.2021 16:00 kaymillsaps

A boat is travelling at a speed of 20\,\dfrac{\text{km}}{\text{h}}20 h km тАЛ 20, start fraction, start text, k, m, end text, divided by, start text, h, end text, end fraction in a direction that is a 210\degree210┬░210, degree rotation from east. At a certain point it encounters a current at a speed of 12\,\dfrac{\text{km}}{\text{h}}12 h km тАЛ 12, start fraction, start text, k, m, end text, divided by, start text, h, end text, end fraction in a direction that is a 40\degree40┬░40, degree rotation from east.

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A boat is travelling at a speed of 20\,\dfrac{\text{km}}{\text{h}}20 h km тАЛ 20, start fraction, st...