SOLUTION: Find the minimum perimeter of a rectangle whose area is 169 square meters. I know the answer is 52 meters, but I don't know how they got the answer.

Algebra ->  Rectangles -> SOLUTION: Find the minimum perimeter of a rectangle whose area is 169 square meters. I know the answer is 52 meters, but I don't know how they got the answer.       Log On


   

Question 50198This question is from textbook Geometry
: Find the minimum perimeter of a rectangle whose area is 169 square meters. I know the answer is 52 meters, but I don't know how they got the answer. This question is from textbook Geometry

Answer by Paul(988) About Me  (Show Source):
You can put this solution on YOUR website!
xy=169
x=length y=width
y=169/x
Perimeter:2x+2y=P
2x-2%28169%2Fx%29
2x-338%2Fx
2x%5E2-338
x%5E2-169
x=13
y=13
so 2(13)+2(13)=52
Paul.