algebra
posted by carlos .
suppose you want to build a rectangular sandbox where the width is 4 ft less than the length and the diagonal is 4 ft longer than the length. what are the dimensions

algebra 
Damon
(x+4)^2 = x^2 + (x4)^2
x^2 + 8 x + 16 = x^2 + x^2  8 x + 16
x^2 16 x = 0
x = 0 or x = 16
so x = 16
12, 16, 20
Respond to this Question
Similar Questions

algebra , help
Can someone help me set up the equations thanks. Directions: Solve each of the following applications. Give all answers to the nearest thousandth. Problem: Geometry. The length of a rectangle is 1 cm longer than its width. If the diagonal … 
algebra
The length of a rectangular garden is 5 ft less than 3 times its width. If the perimeter of the garden is 22 ft, find the dimensions of the garden. I will start you off with... let the width be w, then the length is 3w  5 I am pretty … 
Geometry
The length of a rectangle is 1cm longer than its width. If the diagonal of the rectangle is 4cm, what are the dimensions(the length and the width)of the rectangle? 
algebra
the ancient greeks thought that the most pleasing shape for a rectangle was one for which the ratio of the length to the width was approximately 8 to 5, the golden ratio. if the length of a rectangular painting is 2 feet longer than … 
Math 209
The width of a rectangular carpet is 7 meters shorter than the length, and the diagonal is 1 meter longer than the length. What are the carpet's dimensions? 
math
Building a rectangular sandbox for younger brother. The length. Is 1 foot longer than twice the width of the sandbox. The perimeter of the sandbox is 29 feet what equation could be used to determine the w, the width, in feet, of the … 
math
Flipo is building a rectangular sandbox for his younger brother.The length of the sandbox is 1 foot longer than twice the width of the sandbox. The perimeter of the sandbox is 29 feet 
Algebra
Krishna is building a rectangular sandbox. The length of the sandbox is two feet longer than twice the width of the sandbox. The perimeter of the sandbox is 28 feet. What equation could be used to determine the width? 
Algebra
Suppose you want to draw a rectangle where the width is 7 inches less than the length and the diagonal is 7 inches longer than the length. What are the dimensions of the rectangle? 
algebra
Suppose you want to build a rectangular picture frame where the width is 4 inches less than the length and the diagonal is 4 inches longer than the length. What are the dimensions of the picture frame?