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In the following figure, mLACE=24°, and m AE=73º. Find the measure of BD indegrees
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In the following figure, mLACE=24°, and m AE=73º. Find the measure of BD indegrees

In the following figure, mLACE=24°, and m AE=73º. Find the measure of BD indegrees-example-1
User Francs
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we have


\begin{gathered} m\angle ACE=(1)/(2)(AE-BD) \\ 24=(1)/(2)(73-BD) \\ 2\cdot24=(1)/(2)(73-BD)\cdot2 \\ 48=73-BD \\ 48-73=73-BD-73 \\ -25=-BD \\ BD=25 \end{gathered}

answer: BD = 25°

User Smichr
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