Solve.
-The length and width of a rectangle have a sum of 84. What dimensions give the maximum area?
A)Length 32 and width 52
B)Length 41 and width 43
C)Length 42 and width 42
D)Length 33 and width 51

Question

Quizplus · Accepted Answer

The maximum area for a given perimeter of a rectangle is achieved when the rectangle is a square. Since the sum of the length and width is 84, dividing this by 2 gives each side as 42, making the dimensions 42 by 42.

Solve. -The Length and Width of a Rectangle Have a Sum