A circle is centered on point B. Points A,C and D lie on its circumfrence.

Rizwan Sharif asked Feb 15, 2023

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5 votes

Rizwan Sharif asked Feb 15, 2023

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20 votes

To solve this problem, we have to use this theorem

$m\angle ADC=(1)/(2)m\angle\text{ABC}$

Replacing the given angle, we have

$\begin{gathered} 23=(1)/(2)m\angle ABC \\ m\angle ABC=46 \end{gathered}$

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