Answer:

<em><u>Thanks</u></em><em><u><</u></em><em><u>3</u></em>
<em><u>Life</u></em><em><u> </u></em><em><u>i</u></em><em><u>s</u></em><em><u> </u></em><em><u>short</u></em><em><u>,</u></em><em><u> </u></em><em><u>Smile</u></em><em><u> </u></em><em><u>while</u></em><em><u> </u></em><em><u>you</u></em><em><u> </u></em><em><u>still</u></em><em><u> </u></em><em><u>have</u></em><em><u> </u></em><em><u>teeth</u></em><em><u>!</u></em><em><u>!</u></em><em><u>!</u></em><em><u> </u></em>
Answer:
The distance should be 
Step-by-step explanation:
Distance formula
The room is not in shape of a square but a rectangle.
Question says Length is: 19 inches
Diagonal is: 20.6 inches
In a square all sides are equal
Rectangle has just two sides equal
Yea what the other guy said