Given: The image of the garden as shown
To Determine: The perimeter of the garden
Solution
Please note that the feet of fence required to build a fence round the garden is the perimeter of the garden
The perimeter of the garden would be the semi-circle plus two side length and a width
The perimeter of a semicircle can be calculated using the formula below

The diameter of the semi-circle is the same as the width of the rectangle. Therefore


The perimeter of the garden will be

Hence, the feet of fence require to build a fence round the garden is 107.4 ft