As part of a holf-marathon route, Charlie ron 4.1 miles east then 9 miles south. How
for is he from his starting points

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