OA B
If a rectangular region has perimeter P inches and area A square inches, is the region square?
1) P=4/3A
2)P=4√AIf a rectangular region has perimeter P inches and area A square inches, is the region square? 1) P=4/3A 2)P=4√A
Lets go back to the formula of perimeter and area for a square P = 4 x a, A= a x a.
From here we can see a = P/4
Putting it in area’s formula we get A = P x P/16
=> P ^2 = 16 x A
=> P = 4√A
This we can only get from II, hence B is the answer. A is inconclusive.