помогите пожалуйста......

a)A∈(ABCD), (ABF), (AFC)
O∈(ABCD), (AFC),(BFD)
K∈(AFD),(DFC), (KPNM)
F∈(AFD),(DFC), (BFC), (AFB)
б) AD⊂(ABCD),(AFD)
MK⊂(AFD), (MNPK)
MP⊂(AFC), (MNPK)
в) PK∩(BCF)=P
FO∩(MNP)=Q
AC∩(BDF)=O
KN∩(ACF)=Q
г) (ACF)∩(BDF)=FO
(MNK)∩(CDF)=KP
(MNK)∩(BDF)=NK
(MKP)∩(ACF)=MP