Răspuns :
a + 8 + b = 60
a + b = 60 - 8
a + b = 52
52 : 2 = 26
a = 26 + 8 = 34
b = 26
V = 34 - 26 = 8
a + b = 60 - 8
a + b = 52
52 : 2 = 26
a = 26 + 8 = 34
b = 26
V = 34 - 26 = 8