\[Страница\ 66.\]
\[\boxed{\mathbf{4.}}\]
\[\angle AOC = 120{^\circ}\]
\[\angle AOM = 60{^\circ}\]
\[\angle COM = 60{^\circ}\]
\[\boxed{\mathbf{5.}}\]
\[\textbf{а)}\ \angle ABC = 110{^\circ};\ \ \ \ \ \ \ \]
\[\angle CBK = 70{^\circ}\]
\[\textbf{б)}\ \angle TPF = 50{^\circ};\ \ \ \ \ \ \ \ \]
\[\angle FPM = 130{^\circ}\]
\[\boxed{\mathbf{6.}}\]
\[\boxed{\mathbf{7.}}\]