Answer:
Therefore the Perimeter of the room is 94 ft.
Explanation:
Given:

Where ,
P = Perimeter
l = Length = 26 ft
w = Width = 21 ft
To Find:
Perimeter of the room = ?
Solution:
Perimeter of Rectangle is given as

Substituting 'l' and 'w' we get


Therefore the Perimeter of the room is 94 ft.