Răspuns :
4:
(MN+PQ)/2=EF => (5+PQ)/2=11 =>22=5+PQ => PQ =17cm
5:
mmmAE INALTIME => AE_|_DC; AE_|_ AB => mAE=2AD=16CM
(MN+PQ)/2=EF => (5+PQ)/2=11 =>22=5+PQ => PQ =17cm
5:
mmmAE INALTIME => AE_|_DC; AE_|_ AB => mAE=2AD=16CM