Răspuns :
[A, B , C, D] d.p cu {6,8,4,6}=>A/6=B/8=C/4=D/6=>k
A=6k
B=8k
C=4k
D=6K
A+B+C+D=360°
6K+8K+4K+6=360°
24k=360°
K=360:24
K=15
A=6x15=90
B=8x15=120
C=4x15=60
D=6x15=90
Trapez-dreptunghic
[A, B , C, D] d.p cu {6,8,4,6}=>A/6=B/8=C/4=D/6=>k
A=6k
B=8k
C=4k
D=6K
A+B+C+D=360°
6K+8K+4K+6=360°
24k=360°
K=360:24
K=15
A=6x15=90
B=8x15=120
C=4x15=60
D=6x15=90
Trapez-dreptunghic