Correct option is A
Given
Perimeter = 5 km 474 m = 5.474 km Length = 1 km 782 m = 1.782 km
Formula used
Perimeter of rectangle = 2 × (Length + Breadth)
Solution
2 × (Length + Breadth) = 5.474
Length + Breadth = 5.474 ÷ 2 = 2.737
Breadth = 2.737 − 1.782 = 0.955 km
The correct option is (a)