\[\boxed{\mathbf{364.ОК\ ГДЗ - домашка\ на}\ 5}\]
\[\ Формула\ суммы\ углов\ \]
\[выпуглого\ многоугольника:\]
\[(n - 2) \bullet 180{^\circ};\ \ \ \]
\[где\ n - количество\ углов.\]
\[\textbf{а)}\ n = 5:\]
\[(5 - 2) \bullet 180{^\circ} = 540{^\circ}.\]
\[\textbf{б)}\ n = 6:\]
\[(6 - 2) \bullet 180{^\circ} = 720{^\circ}.\]
\[\textbf{в)}\ n = 10:\]
\[(10 - 2) \bullet 180{^\circ} = 1440{^\circ}.\]