The perimeter of a rectangle is 60 meters what are the possible lengths

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Given the rectangle in the diagram, what is the perimeter of the rectangle?

Possible Answers:

Correct answer:

Explanation:

The perimeter of a rectangle is found by adding up the length of all four sides. Since the two long sides are 12 cm, and the two shorter sides are 7 cm the perimeter can be found by:

The perimeter is 38 cm.

One side of a rectangle is 7 inches and another is 9 inches.  What is the perimeter of the rectangle in inches?

Possible Answers:

Correct answer:

Explanation:

To find the perimeter of a rectangle, add the lengths of the rectangle's four sides. If you have only the width and the height, then you can easily find all four sides (two sides are each equal to the height and the other two sides are equal to the width).  Multiply both the height and width by two and add the results.

A rectangle has an area of

Possible Answers:

Correct answer:

Explanation:

For a rectangle, area is 

Let

The area equation to solve becomes

To factor, find two numbers the sum to -4 and multiply to -96.  -12 and 8 will work:

x2 + 8x - 12x - 96 = 0

x(x + 8) - 12(x + 8) = 0

(x - 12)(x + 8) = 0

Set each factor equal to zero and solve:

Therefore the length is 

A rancher wants to surround his rectangular field with barbed wire fence that costs $1.75 per foot. The field measures 200 yards by 400 yards. How much will the fence cost?

Possible Answers:

Correct answer:

Explanation:

Convert the dimensions from yards to feet by multiplying by 3: This makes the dimensions 600 feet and 1,200 feet. The perimeter of this farm is therefore

Multiply this by the cost of the fence per foot:

A rectangle has a length of

Possible Answers:

Correct answer:

Explanation:

To find the perimeter of any rectangle, add all of the sides up:

20 + 20 + 12 + 12 = 64 inches

You could use this formula as well:

This formula comes from the fact that there are 2 lengths and 2 widths in every rectangle.

Find the perimeter of this rectangle.

Possible Answers:

Correct answer:

Explanation:

Remember, the perimeter of the rectangle is the sum of all four sides:

It is obvious from the figure that A=6 and B=24.

A rectangle has an area of 56 square feet, and a width of 4 feet. What is the perimeter, in feet, of the rectangle?

Possible Answers:

Correct answer: 36

Explanation:

Divide the area of the rectangle by the width in order to find the length of 14 feet. The perimeter is the sum of the side lengths, which in this case is 14 feet + 4 feet +14 feet + 4 feet, or 36 feet.

The area of a rectangle is

Possible Answers:

Correct answer:

Explanation:

The area of a rectangle is the width times the height, and we are told that in this rectangle the width is two times the height.

Therefore,

Plug in the value of the area:

Solve for 

Robert is designing a rectangular garden. He wants the area of the garden to be 9 square meters. If the length of the lot is going to be three meters less than twice the width, what will the perimeter of the lot be in meters?

Possible Answers:

Explanation:

Let l be the length of the garden and w be the width. 

By the specifications of the problem, l = 2w-3.

Plug this in for length in the area formula:

A = l  x w = (2w - 3) x w = 9

Solve for the width:

2w²- 3w - 9 =0 

(2w + 3)(w - 3) = 0

w is either 3 or -3/2, but we can't have a negative width, so w = 3.

If w = 3, then length = 2(3) - 3 = 3.

Now plug the width and length into the formula for perimeter:

P = 2 l + 2w = 2(3) + 2(3) = 12

Find the perimeter of a rectangle that has a length of 

Possible Answers:

Correct answer:

Explanation:

Recall how to find the perimeter of a rectangle:

For the given rectangle,

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