Respuesta :
If the painting lies in the middle of the rectangle and half of 20 f is 10 so then half of the painting that is on half of the wall would be only 1.2f if you take 10-1.2= 8.8f your final answer.
2.1 feet. If you take the middle of the wall it would be 10 feet. Take the 4.2 which equals 4.2,feet on each side.1/2 of the picture is 2.1.