https://img407.imageshack.us/img407/...at26092012.jpg

Şekilde [AB]https://www.matematiktutkusu.com/ext...a_symbol21.gif[BE]
|BD|=|DE|
|CE|=3|AC|
M(BCD)=84 ise
m(BDC) kaç derecedir? ( 48 )

https://img717.imageshack.us/img717/...at26092012.png

Teşekkürler Hocam.