Tracing all edges on a figure without picking up your pencil and repeating and starting and
stopping in the SAME spot

A. Euler circuit
B. Euler path

The area of a rectangle is 10 cm^2. one side of the rectangle is x cm. express the perimeter of the rectangle in terms of x and show that this rectangle cannot have a perimeter of 12 cm. the perimeter of the rectangle in terms of x is __ cm