130- In the figure, $\hat{A}_1 = \hat{A}_2$, $AD \cdot BC$ is obtained. Which of the following is equal to $AD \cdot BC$? (1) $DM \cdot AC$ (2) $BM \cdot AC$ (3) $AB \cdot CD$ (4) $BD \cdot BM$
\textbf{130-} In the figure, $\hat{A}_1 = \hat{A}_2$, $AD \cdot BC$ is obtained. Which of the following is equal to $AD \cdot BC$?
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(1) $DM \cdot AC$ \hfill (2) $BM \cdot AC$
(3) $AB \cdot CD$ \hfill (4) $BD \cdot BM$
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