Respuesta :
cd is equal to this: first calculate AB by sin30 which is radical 3 then by sin45 you know bc is radical 3 too then by fisaghures ( idk what you call it)
calculate bd at the end you just gotta do this: bd-bc
[tex]3 - \sqrt{3} [/tex]
calculate bd at the end you just gotta do this: bd-bc
[tex]3 - \sqrt{3} [/tex]