a+b+c = 315
a = b:2 => b = 2×a
a = c +45
a |____|+45
b |____|____|+90
c |____|
avem 4 sgmente egale +45+90 = 315
315-(45+90) = 315-135 = 180
180:4 = 45 ( un segment)
a = 45+45 = 90
b = 2×45+90 = 90+90 = 180
c = 45
Verificare:
90+180+45 = 315
a = 90
b = 180
c = 45