For Monica’s 14th birthday she wants to make over her bedroom. The first phase in the bedroom makeover is painting her room if Monica’s room is 20 feet long 15 feet wide and 9 feet high find the surface area of the room that you are going to paint include the floor and the ceiling.

Answer 1

2(20+15)*9 + 2*20*15 = 1230
not counting the doors or windows