Răspuns :
a|------|
b|------|
c|------|-------|-------|-------|
Suma este 720
720:6=120(a/b)
120×4=480(c)
V:120+120+480=720(a+b+c)
b|------|
c|------|-------|-------|-------|
Suma este 720
720:6=120(a/b)
120×4=480(c)
V:120+120+480=720(a+b+c)
|_ _ _ _ _ _ _ _| = 720
A= |_|
B= |_ _ _|
C= |_ _ _ _|
720:8(segmente) = 90
A=90
C=90x4=360
A+B+C=720
90+B+360=720
90+B=360
B=360-90
B= 270
:D
A= |_|
B= |_ _ _|
C= |_ _ _ _|
720:8(segmente) = 90
A=90
C=90x4=360
A+B+C=720
90+B+360=720
90+B=360
B=360-90
B= 270
:D