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daniii000
28.09.2019 •
Mathematics
You have 42 ft. of fencing (1 ft. segments) to make a rectangular garden. how much should each side be to maximize your total area? what will the total area be for the garden? find the length, width, and area of your garden that will maximize its total area.
length:
width:
area:
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Ответ:
Step-by-step explanation:
Let
x----> the length of the rectangular garden
y---> the width of the rectangular garden
we know that
The perimeter of the rectangle is equal to
we have
so
simplify
Remember that the area of rectangle is equal to
substitute equation A in equation B
The vertex is a maximum
The y-coordinate of the vertex is the maximum area
The x-coordinate of the vertex is the length side of the rectangle that maximize the area
using a graphing tool
The vertex is the point![(10.5,110.25)](/tpl/images/0271/7788/c9963.png)
see the attached figure
so
Find the value of y
The garden is a square
the area is equal to
Ответ:
Each side of the rhombus served as the hypotenuse of the imaginary right triangle formed in the graph. The diagonals formed are mutually bisecting and have cut each diagonal in equal parts.
Pls. see attached graph.