If P and A are the perimeter and area of a drainage basin, its compactness coefficient, is

If P and A are the perimeter and area of a drainage basin, its compact

1.	If P and A are the perimeter and area of a drainage basin, its compactness coefficient, is
A.	<img src="/_files/images/civil-engineering/water-resources-engineering/172-8.83-1.png">
B.	<img src="/_files/images/civil-engineering/water-resources-engineering/172-8.83-2.png">
C.	<img src="/_files/images/civil-engineering/water-resources-engineering/172-8.83-3.png">
D.	<img src="/_files/images/civil-engineering/water-resources-engineering/172-8.83-4.png">
Answer» D. <img src="/_files/images/civil-engineering/water-resources-engineering/172-8.83-4.png">