Question 1068784
{{{b^2 = a^2 + c^2 - 2ac cosB}}}
{{{b^2 = 6^2 + 25^2 - 2x6x25xcos14.3}}}
{{{b^2 = 370.295}}}
cosC = {{{(a^2 + b^2 - c^2)/2ab}}}
= -0.947
C = 161.28
Ans: D

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