\[Дано:\]
\[ABCD - трапеция;\]
\[\angle B = 132{^\circ};\]
\[\angle D = 24{^\circ}.\]
\[Найти:\]
\[\angle A;\ \angle C.\]
\[Решение.\]
\[1)\ Основания\ трапеции:\]
\[AD \parallel BC.\]
\[2)\ Для\ \text{AD\ }и\ \text{BC\ }и\ \]
\[секущей\ AB:\]
\[\angle DAB + \angle ABC = 180{^\circ}\]
\[\angle DAB + 132{^\circ} = 180{^\circ}\]
\[\angle DAB = 48{^\circ}.\]
\[3)\ Для\ \text{AD\ }и\ \text{BC\ }и\ \]
\[секущей\ CD:\]
\[\angle ADC + \angle DCB = 180{^\circ}\]
\[24{^\circ} + \angle DCB = 180{^\circ}\]
\[\angle DCB = 156{^\circ}.\]
\[Ответ:\ \ \angle A = 48{^\circ};\ \angle C = 156{^\circ}.\]