ABCD paralelogram
ip | m(<A)=50°
c m(<B) =?
m(<C)=?
m(<D)=?
aflati masura unghiurilor B ; C ; D
![ABCD Paralelogramip MltA50c MltB MltCmltD Aflati Masura Unghiurilor B C D class=](https://ro-static.z-dn.net/files/d05/ae20641eccb0e59e20c5c43ef6bc7b26.jpg)