Top Answer

Let the width be (x-3) and the length be x:

width*length = area

(x-3)*x = 340 square inches

x2-3x-340 = 0

Solving the above quadratic equation works out as:

x = -17 or x = 20 it must be the latter because dimensions can't be negative.

Therefore: length = 20 inches and width = 17 inches

Check: 20*17 = 340 square inches

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0The area of a rectangle is 56.25 square inches. The length of the rectangle is12.5 inches what is the width

if a rectangle is 450 square inches and the length is 24 inches what is the width?

The width is expressed in inches.

Its length is 1+ square root of 66 ft and its width is -1+ square root of 66 ft

The dimensions are: length = 15 inches and width = 7 inches Check: 15*7 = 105 square inches

Width of the rectangle: 33.6/8 = 4.2 inches

They are: 3 inches and 5 inches respectively

Area = Length * Width = 12*7 = 84 square inches.

A rectangle with one side that is double the length of the other side can be seen as two squares beside each other, that are half the area of the original rectangle, in this case 18 square inches / 2 = 9 square inches. The side of a square is the square root of the area, in this case the square root of 9 square inches, which is 3 inches. Now think about the rectangle again. What we just counted was the side of a square that made up one half of the rectangle you wanted to calculate the area of. So the shorter side of the rectangle is the same as our square, and the longer side is double the length. So the width of the rectangle is 3 inches, and the length is 2 * 3 inches = 6 inches. Or: Area = length x width (A=lw) Area = 18 (in2) Width = w Length = twice width (2w) 18 = (2w)w 18 = 2w2 9 = w2 3 = w The width is 3 in., the length (2w) is 6 in.

if the length is 36 on a rectangle then what is the width of the rectangle

The area of a rectangle is length times width. If length and width are in inches, the area will be square inches.

has an area of 240 square inches

What is the length of the rectangle? If you had said one of the sides of a square was 3 inches, you could multiply 3 inches by 3 inches to get the value in square inches.Area = 3l square inches, where l = length of the rectangle in inches.

(6 + w) = length w = width (6 + w)(w) = 40 square inches w squared + 6w = 40 w = 4 inches and the length must be equal to 10 inches

To find the area of a rectangle, multiply the length times the width. The result will be in square inches.

It is: 240/8 = 30 inches in length

For a rectangle or square, Area = Length * Width So Length = Area / Width.

Area=Length*Width A=14 Inches*2 Inches A= 28 square inches or 28 in2

Area of rectangle: 6 times 7 = 42 square inches

If you mean a length of 16 inches then the width is: 400/16 = 25 feet

Length 7 inches and width 4 inches because 7*4 = 28 square inches

To get the area of a rectangle, you multiply length x width.

1/2 inchArea = (length) x (width) = (1/2 inch) x (10 inches) = 5 square inches

The diagonal of a rectangle with the length of 89.5 inches and a width of 48 inches is approximately 101.6 inches.

The area of a square or rectangle can be found by multiplying the length times the width. In a square both the length and width are the same measure.

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