'In fig.39, `A D\ a n d\ C F` are respectively perpendiculars to sides `B C\ a n d\ A B`

preview_player
Показать описание
"In fig.39, `A D\ a n d\ C F`
are respectively

perpendiculars to sides `B C\ a n d\ A B`
of ` A B Cdot`
if `/_F C D=50^0,\ fin d\ /_B A Ddot`"
Рекомендации по теме