X+12
11x + 4
6x + 9
X+4
70
60
65
75
5
4
6
8
80°
50°
60°
70°
0.625
0.5
0.75
0.85
84 cm²
70 cm²
80 cm²
92 cm²
-1
-2
1
2
$40
$45
$49
$59
2N+5
2+N+5
2N+10
N+5
12 cm
10 cm
14 cm
16 cm