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03-11-2022
Mathematics

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Using the drawing find y: MzBDJ = 7y + 2, mZJDR = 2y + 7 * HRT O 25 O 19 O O TY

Using the drawing find y MzBDJ 7y 2 mZJDR 2y 7 HRT O 25 O 19 O O TY class=

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JamilahO748018 JamilahO748018

03-11-2022

[tex]\begin{gathered} \angle BDR=m\angle BDJ+m\angle JDR \\ \angle BDR=7y+2+2y+7 \\ \angle BDR=9y+9 \\ 90-9=9y \\ 81=9y \\ y=\frac{81}{9} \\ y=9 \end{gathered}[/tex]

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