In $\triangle A B C$, if $a=13 \mathrm{~cm}, b=14 \mathrm{~cm}$ and $c=15 \mathrm{~cm}$ then its…

In $\triangle A B C$, if $a=13 \mathrm{~cm}, b=14 \mathrm{~cm}$ and $c=15 \mathrm{~cm}$ then its circumradius, $R=$
  1. $\frac{8}{65} \mathrm{~cm}$
  2. $\frac{7}{65} \mathrm{~cm}$
  3. $\frac{65}{7} \mathrm{~cm}$
  4. $\frac{65}{8} \mathrm{~cm}$

Solution

No solution. Refer to answer key.

Asked in: AP EAMCET 2020 (07 Oct Special)

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