Răspuns:
1.
∡FGH=60° EF=12√5cm
∡EFG=120° FG=12cm
ΔEFH este dreptunghic HG=12√5cm
∡EFH=30° P=24+24√5
2.
∡ABD=40° AD=6cm
ΔABD este isoscel BC=6cm
∡ABC=140° DC=8cm
∡BCD=40° P(ABCD)=28cm
∡BDC=40° P(BCD)=20cm