Answer:
Area of Rectangle =
square kilometers
Explanation:
Area of rectangle is given by the formula:
Area of Rectangle = Length * Width
Given,
Length = 1 1/3rd km
Width = 2 3/4th km
Lets convert the numbers in improper fractions and then multiply and find the area:

and

Now, the area:
Area =

This answer, again back to mixed fraction is:

THus,
Area of Rectangle =
square kilometers