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Question Number 166273 by MikeH last updated on 17/Feb/22

Commented by MikeH last updated on 17/Feb/22

$$\mathrm{The}\mathrm{figure}\mathrm{above}\mathrm{is}\mathrm{a}\mathrm{circumcircle}$$$$\mathrm{ABC}\mathrm{with}\mathrm{centre}\mathrm{O}\mathrm{and}\mathrm{angle}$$$$\mathrm{AOB}=50°.\mathrm{Calculate}\mathrm{the}\mathrm{angles}$$$$\mathrm{marked}\mathrm{x}\mathrm{and}\mathrm{y}.$$

Answered by TheSupreme last updated on 17/Feb/22

$$x=50°$$$$y=25°$$

Commented by MikeH last updated on 17/Feb/22

$$\mathrm{how}\mathrm{please}?$$

Answered by nurtani last updated on 17/Feb/22

$$\measuredangle y=\frac{1}{2}\measuredangle AOB\left(facingthesamearcA\stackrel{⌢}{B}\right)$$

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