Ts Eamcet
Properties Of Triangles
TS EAMCET 2023 (Online) 13th May Evening Shift
MCQ+1 / -02023
In $\triangle A B C$, if $a=7, b=8$ and $c=9$, then $\frac{1}{r_1^2}+\frac{1}{r_2^2}+\frac{1}{r_3^2}=$
Ts Eamcet
TS EAMCET 2023 (Online) 13th May Evening Shift
In $\triangle A B C$, if $a=7, b=8$ and $c=9$, then $\frac{1}{r_1^2}+\frac{1}{r_2^2}+\frac{1}{r_3^2}=$