Carson wants to install wallpaper on the wall in his bedroom with the shape and dimensions shown below. A figure can be broken into a triangle and rectangle. The rectangle has a base of 12 feet and height of 11 feet. The triangle has a base of 12 feet and height of 3 feet. To determine the area of the wall, he divides it into a triangle and a rectangle. What are the dimensions of the triangle? 11 ft by 12 ft 3 ft by 12 ft 3 ft by 11 ft 12 ft by 14 ft plzzz I need help