Tia wants to hang a big letter T on the door of her bedroom. She plans to cut the T from cardboard and then paint it red. The dimensions of the T are shown in the figure. How much area does Tia need to paint if she paints only one side of the letter? A big letter T, sleeping line 20 cm at the top. 4 cm height from the top makes a rectangle. A straight line from the center to the bottom height of 16 cm and its base is 6cm.