Find the length and width of a rectangle that has perimeter 40 meters and a maximum area.
A)10 m;10 m.
B)14 m;7 m.
C)1 m;19 m.
D)11 m;9 m.
E)5 m;15 m.

Question

Find the length and width of a rectangle that has perimeter 40 meters and a maximum area. ​
A)10 m;10 m.
B)14 m;7 m.
C)1 m;19 m.
D)11 m;9 m.
E)5 m;15 m.

Quizplus · Accepted Answer

For a rectangle with a given perimeter, the maximum area is achieved when the rectangle is a square, meaning its length and width are equal. Given a perimeter of 40 meters, dividing by 4 (since a square has 4 equal sides) gives each side as 10 meters.

Find the Length and Width of a Rectangle That Has