Question

Va rog 29 si daca se poate si 30 !!! Va multumesc!! :-) :-) :-) :-)

Answer 1

29) A/2=B/3=C/6=D/7=k
A+B+C+D=360
A=2K
B=3K
C=6K
D=7K
2K+3K+6K+7K=360
18K=360
k=20
A=40
B=60
C=120
D=140

30)  D=2B
B=A+30
C=B+40
D=2A+60
C=A+70
A+B+C+D=360
A+A+30+A+70+2A+60=360
5A=200
A=40
B=70
C=110
D=140