please help

the line ABC is tangent to a circle at B centre O with diameter EB the angle DAB = 28
(a) ABE=
(b) EDB=
(c) AOB=
(d) BOD=
(e) OBD=
(f)DBC=​

please helpthe line ABC is tangent to a circle at B centre O with diameter EB the angle DAB 28 a ABE b EDB c AOBd BOD e OBD fDBC class=