What kind of figure does it draw?

Consider the code segment below:
```
int xValues[] = {100, 150, 200, 100};
int yValues[] = {30, 130, 30, 30};
g.drawPolyline(xValues, yValues, 4);
```

a. A rectangle.
b. A triangle.
c. A V with its corner at the top.
d. A square.

b. A triangle.