### Calculating the amount of material for finishing a basement

Question 11A Guest needs material to finish a room in a basement. The room is square and one wall measures 15'. The height of the room is 8'. There is one door that measures 3' wide and 7' high, and two windows that measure 3' wide and 4' high. The Guest is covering the walls with 1x6 carsiding (we will say that it covers 5"