Дано: \(ABCD\) — параллелограмм; ∠ \(BCA =\) 37°; ∠ \(BAC =\) 31°. Найти: ∠ \(BAD =\)°; ∠ \(B =\)°; ∠ \(BCD =\)°; ∠ \(D =\)°.
Задание

Дано:

\(ABCD\) — параллелограмм;

\(\angle\) \(BCA =\) 37\(\degree\);

\(\angle\) \(BAC =\) 31\(\degree\).

параллелограмм 8.png

Найти:

\(\angle\) \(BAD =\) [ ]\(\degree\);        \(\angle\) \(B =\) [ ]\(\degree\);

\(\angle\) \(BCD =\) [ ]\(\degree\);        \(\angle\) \(D =\) [ ]\(\degree\).