How do you find the surface area of a trapezoid?

Answer question above and explain each step : )

Perry observes the opposite parallel walls of a room in how many lines do the plains containing the walls intersect

Carl is hanging pictures in his home. there is a space on a wall that has a width of 4 feet. carl has pictures with different widths. which picture width would fit in the space on the wall? a. 46 inches b. 60 inches c. 50 inches d. 54 inches