What is the area of a triangle with sides measuring 6, 8, and 10 units?
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What is the resultant vector when a vector of magnitude 5, at an angle of 30 degrees north of east, is added to a vector of magnitude 3, at an angle of 45 degrees south of east?
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In R^2, given basis vectors u = (2, 3) and v = (4, -1), what is the basis vector w perpendicular to both u and v?