What is the wetted perimeter of a swale that is 10 ft wide and has a height of 3 ft on both sides?

What is the wetted perimeter of a swale that is 10 ft wide and has a height of 3 ft on both sides?

• A. 6 ft
• B. 10 ft
• C. 16 ft
• D. 26 ft

Answer: (C)

To determine the wetted perimeter of a swale, you need to consider the dimensions of the swale as a trapezoidal channel due to its shape. The wetted perimeter is the length of the boundary that is in contact with the water and includes the bottom of the swale and the sides. In this scenario, the swale is given as being 10 ft wide at the bottom and has a height of 3 ft on both sides. The sides rise at an angle to form the shape of the swale. 1. The bottom width of the swale is 10 ft. 2. The sides can be calculated based on the height. If we consider the height of 3 ft for each side, we can visualize that each side extends downward, creating an additional component to the wetted perimeter. To find the length of each side, we need to consider that each side can be considered a straight line at the angle formed by the height relative to the width. For a uniform slope, each side can often be calculated as simply the vertical rise, which in this case is 3 ft for each side. So the total wetted perimeter comprises: - The bottom width: 10 ft - The lengths of both sides

To determine the wetted perimeter of a swale, you need to consider the dimensions of the swale as a trapezoidal channel due to its shape. The wetted perimeter is the length of the boundary that is in contact with the water and includes the bottom of the swale and the sides.

In this scenario, the swale is given as being 10 ft wide at the bottom and has a height of 3 ft on both sides. The sides rise at an angle to form the shape of the swale.

1. The bottom width of the swale is 10 ft.

2. The sides can be calculated based on the height. If we consider the height of 3 ft for each side, we can visualize that each side extends downward, creating an additional component to the wetted perimeter.

To find the length of each side, we need to consider that each side can be considered a straight line at the angle formed by the height relative to the width. For a uniform slope, each side can often be calculated as simply the vertical rise, which in this case is 3 ft for each side.

So the total wetted perimeter comprises:

• The bottom width: 10 ft

• The lengths of both sides