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You mean the largest possible area with a perimeter of 18, right?
Well, the largest area is with a circle, which has area 81/pi which is approximately 25.7831
If you need a rectangular area, the largest is a square of width=length (definition of square) = 4.5
This has area 4.52 which is 20.25, substantially less than the circles area...
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Which is the largest possible perimeter using 12 tiles?
26
Is it possible to have a shape with a perimeter of 20 and an area of 18?
Yes.
Is it possible for a figure to have a perimeter of 20 and an area of 18?
Yes
Possible rectangles with a perimeter of 18 cm and whole-number lengths of sides?
3
What is the area and perimeter of a rectangle if you have the numbers 18 and 5?
The answer will depend on what those numbers represent and their units. It is possible that the question gives 18 and 5 units as the length and width of a rectangle and requires you to find the area and perimeter. Or It is possible that the question has given 18 in some units and 5 in some other units and requires you to determine which one could be the area and which the perimeter.
