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can you please help me

Sagot :

The relation between arcs AB and CD and angle x is:

[tex]m\angle x=\frac{1}{2}(m\hat{AB}+m\hat{CD})[/tex]

Substituting with data, we get:

[tex]\begin{gathered} m\angle x=\frac{1}{2}(110+160) \\ m\angle x=\frac{1}{2}\cdot270 \\ m\angle x=135\text{ \degree} \end{gathered}[/tex]