AP EAMCET · Maths · Properties of Triangles
In a \(\triangle \mathrm{ABC}\) if \(a=26, b=30, \cos C=\frac{63}{65}\) then \(C=\)
- A \(2\)
- B \(4\)
- C \(6\)
- D \(8\)
Answer & Solution
Correct Answer
(D) \(8\)
Step-by-step Solution
Detailed explanation
Given In \(\triangle \mathrm{ABC}\) \(a=26, b=30, \cos C=\frac{63}{65}\) Now, \(\cos C=\frac{a^2+b^2-c^2}{2 a b}\)…
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