Respuesta :
The length of the frame is 6.75 feet for a rectangular piece of art.
What is an expression?
Expression in maths is defined as the collection of the numbers variables and functions by using signs like addition, subtraction, multiplication, and division.
A rectangle with a length of 3 x and height of x. If Kyle uses 18 feet of wood to make the frame.
We know, that the perimeter of the rectangle is given by :
P = 2( l + b )
P = 2 ( 3x + x )
P = 8x
Now, it is given that 18 feet of wood are used.
8x = 18
x = 2.25 feet
Therefore, the length of the frame is 6.75 feet.
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