Asked by mimi

1) what is the greates perimeter of a rectangle with an area of 39 square feet?

2) What is the least perimeter of a rectangle with an area of 32 square feet?

3) A rectangle has an area of 42 square inches. Which has a greater perimeter, the rectangle with the dimensions 21 x2 or the dimensions 6 x 7?
Answered by Reiny
There is no such rectangle.
I can make the length some ridiculous length and the width very very small.
e.g. length = 5000
width = 39/5000= .0078
check: the area is 5000(.0078) = 39
Perimiter is 2(.0078) + 2(5000) = 1000.0156 ft

length = 20,000
width = 39/20000 = .00195
Perimeter = 40,000.0039

can you see the silliness of this question?

2. The least perimeter is obtained when your rectangle is a square.
then its side must be √32
and the perimieter is 4√32 or appr 22.6

3 Perimeter of the 21 by 2 is 2(21+2) = 46
perimeter of the 6 by 7 is 2(6+7) = 26
which is more ?
Answered by Anonymous
I don't get that it is complicated
Answered by Little
It is hard when you have a Kide in thrid grade
Answered by Marta
21×2
Answered by Anonymous
P= (2x8)+ (2x4) =24
Answered by keyona griffin
56
Answered by deepti
36 unit squares are joined to form a rectangle with least perimeter what is the perimeter of rectangle?
Answered by Hrmskdng
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Answered by Kenndie
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