Ts EamcetProperties Of TrianglesTG EAPCET 2024 (Online) 10th May Evening ShiftMCQ+1 / -02024If $A B C$ is an isosceles triangle with base $B C$, then $r_{1}=$A$R^{2} \cos ^{2} A$B$\frac{a^{2}}{2}$C$\frac{r}{R}$D$R^{2} \sin ^{2} A$Check AnswerClear SelectionReveal AnswerShow Explanation
