This question needs more information. So what if a diagram shows an 8 foot ladder leaning against a wall?
Five (5) because you have 10 fingers 5 fingers get cut off how many do you have left.
Answer:
14km
Explanation
11km + 11km = 22km is the sum of both the width.
If you want to find the length than minus the perimeter with 22.
50km - 22km = 28km is the sum of both the length.
To know only one side of the length, divide it by 2.
28km/2 = 14km is the length