But to your surprise, your uncle's house was locked. So you had no choice but to return to your home. You booked another cab and this guy took you home in a short distance as shown in the given figure (Green path). In the given figure, previous ride's trace is also there (red path). Calculate the Perimeter of your complete ride (in km).
The distance covered in previous ride being 7.97 km.
10.94
As perimeter is the length of the outline of a shape, you have to add the ride distances of both your rides.