Beck’s family is adding an L-shaped room to their house, as illustrated below (not drawn to scale). They plan to have crown molding all around the top of the walls, and cover the floor with ceramic tile. How many feet of crown molding will they need? How many square feet of tile will they need? Use the diagram to support and explain your thinking.

 

 

4.5 Algebraic reasoning. The student applies mathematical process standards to develop concepts of expressions and equations. The student is expected to: