Question

in the figure, P is the centre of the circle, BC is a diameter.

Answer 1

marc ab=30
$m{arc \: ac} = 30 \: \\ m{arc \: acb} \: = 360 - 30 = 300$

Answer 2

Answer:

marc ab=30

\begin{gathered}m{arc \: ac} = 30 \: \\ m{arc \: acb} \: = 360 - 30 = 300\end{gathered}

marcac=30

marcacb=360−30=300