The three steps to prove triangle ABD is congruent to triangle CDB

Farm Ostrich asked Aug 14, 2023

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Farm Ostrich asked Aug 14, 2023

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21 votes

Given

$\measuredangle ABD=\measuredangle CDA,AB=DC$

Answer

In triangles ABD and ADB

$\begin{gathered} \measuredangle ABD=\measuredangle CDA, \\ AB=DC \\ BD=BD\text{ (common)} \\ \Delta ABD\cong\Delta CDB \end{gathered}$

Pcalcao answered Aug 21, 2023

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