Answer: Second option.
Explanation:
You can divide the arrow into two figures: A triangle and a rectangle (See the figure attached).
The area of a triangle can be calculated wit this formula:

Where "b" is the base of the triangle and "h" is the height.
In this case, you can identify that:

Therefore, you get that the area of the triangle is:

The area of a rectangle can be calculated with this formula:

Where "l" is the lenght of the rectangle and "w" is the width.
In this case:

Therefore, its area is:

And the total area of the arrow is:
