C-08-Q050: In Theorem 19's proof, $\triangle OAE \cong \triangle OCF$ is justifie…

C-08-Q050: In Theorem 19's proof, $\triangle OAE \cong \triangle OCF$ is justifie… | প্রশ্ন করি

In Theorem 19's proof, △OAE≅△OCF\triangle OAE \cong \triangle OCF△OAE≅△OCF is justified by which rule?