Answer:
Length,

Step-by-step explanation:
Given that,
Width of rectangular strip is 5/6 km
Area of rectangular strip is 7/6 km²
We need to find the length of the rectangular strip. The area of a rectangular shaped object is given by :
A = L × B
Putting the values of A and B, we get :

So,

So, the length of the rectangular strip is
.