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MHT CET20228 Aug 2022Morning ShiftMathematicsTrigonometric Ratios & IdentitiesActual

With usual notations in A B C if a^2+b^2-c^2=a b , then measure of angle C is

Options

  1. A4
  2. B6
  3. C2
  4. D3

Correct answer

D. 3

Step-by-step solution

aligned & a^2+b^2-c^2=a b & a^2+b^2-c^2 2 a b = 1 2 & c= 1 2 & c= 3 aligned

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