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BITSAT2012MathematicsProperties of TrianglesActual

In a triangle ABC , if a =2, ~B =60^ and C =75^ , then b equals

Options

  1. A3
  2. B6
  3. C9
  4. D1+ 2

Correct answer

B. 6

Step-by-step solution

A =180^ -60^ -75^ =180^ -135^ =45^ Now, a A = b B 2 45^ = b 60^ b = 2 ( 3 / 2) 1 / 2 = 6

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