Answer:
[tex][/tex] Theo needs to measure the length and width of his rectangular living room to ensure that the new coffee table will fit properly. Therefore, the correct answer is:
B. the length and width
Step-by-step explanation:
When buying a coffee table for his living room, Theo needs to ensure that the table fits within the space available. The two most important measurements for determining if the table will fit are the length and width of the room. These measurements are crucial in determining the maximum dimensions that the coffee table can have in order to fit comfortably within the living room without obstructing any pathways or other furniture. Therefore, taking these two measurements will help Theo make an informed decision when choosing the appropriate size for his new coffee table.