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Q66 / 160 · AP EAMCET 2025 (26 MAY SHIFT 1) · Mathematics

Q3 / 250 · AP EAMCET 2025 (26 MAY SHIFT 1) · Mathematics · Properties of Triangles · Cosine Rule and Projection Formula

In triangle $A B C$, if $C=120^{\circ}, c=\sqrt{19}$ and $b=3$, then $a=$

  • A
    $4$
  • B
    $5$
  • Correct answer
    C
    $2$
  • D
    $\sqrt{5}$

Hence, the correct answer is option: 'C'.

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