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18" is not a possible perimeter measurement.
Assume the dimensions of the rectangle are so close to those of a square that the difference can be disregarded. This is the condition when the perimeter is at its minimum.
When the rectangle measures approximately 6" x 6", its area = 36 sq ins, its perimeter = 24"
For the area to remain constant then as the length increases by a factor n the width must decrease by that same factor.
Area = 6n x 6/n : perimeter = 12n + 12/n :so when n = 1, Perimeter = 12 + 12 = 24
As n increases, say n = 2, Perimeter = 24 + 6 = 30 : And the perimeter continues to increase as the rectangle becomes narrower. Eventually, it will become so narrow that
for diagram purposes it will appear as a straight line.
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The area of a rectangle with a length of 8 inches is 48 square inches What is the perimeter of the rectangle?
28 inches
What is the dimensions of a rectangle with a perimeter of 34 inches and an area of 42 inches squared?
The dimensions of the rectangle are 3 inches by 14 inches
The perimeter of a rectangle is 26 units. What is the greatest possible area of the rectangle in square units?
42 square units.
What is the perimeter and area of a rectangle with sides equal to 5 inches and 7 inches?
Perimeter = 2*(5 + 7) = 24 inches.Area = 5 * 7 = 35 square inches.
What is the smallest figure with a perimeter of 20 but the smallest possible area?
A 9 x 1 rectangle has a perimeter of 20 and an area of 9; A 9.5 x 0.5 rectangle has the same perimeter but an area of 4.75; You can go a long way along this road...
The area of a rectangle is 100 inches the perimeter is 40 a second rectangle has the same area but a different perimeter. Is the second rectangle a square?
the area of a rectangleis 100 square inches. The perimeter of the rectangle is 40 inches. A second rectangle has the same area but a different perimeter. Is the secind rectangle a square? Explain why or why not.
The area of a rectangle is 100 square inches The perimeter of the rectangle is 40 inches A second rectangle has the same area but a different perimeter Is the second rectangle a square?
yes
What is the perimeter and area of a rectangle with the sides equal to 5 inches and 7 inches?
Perimeter:20 inches Area:35
The area of a rectangle with a length of 8 inches is 48 square inches What is the perimeter of the rectangle?
28 inches
What is the perimeter of a rectangle 12 inches by 8 inches?
The perimeter of a rectangle 12 inches by 8 inches is 40 inches. Its area is 2/3 of a square foot.
What are the perimeter and area of a rectangle with the length of 5 in and a width of 7 in?
Perimeter = 24 inches Area = 35 square inches
What is the perimeter and area of a rectangle with 5 in length and 11 in width?
Perimeter = 32 inches. Area = 55 square inches.
What is the perimeter of a rectangle if the area is 45 square inches?
10.5
What is the dimensions of a rectangle with a perimeter of 34 inches and an area of 42 inches squared?
The dimensions of the rectangle are 3 inches by 14 inches
What is area if perimeter is 22?
24
What is the perimeter and area of 3in and 9in?
If that's a rectangle, the perimeter is 24 inches and the area is 27 square inches.
Is it possible for two shapes to have the same area but different perimeters?
Yes it is possible. Consider these two shapes with the same area: a 2-inch square and a 1-inch x 4-inch rectangle both have the same area of 4 sq inches. However, the square has a perimeter of 8 inches while the rectangle has a perimeter of 10 inches. By the way, the shape with the largest area for a given perimeter is a circle.
