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

 

 

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1 Answer(s)

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.

Expert Answered on January 31, 2018.
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