Answer:
20 feet
Step-by-step explanation:
A metal strip is being installed around a workbench that is 7 feet long and 3 feet wide.
The shape of workbench is line a rectangle.
The length of workbench is 7 feet.
The width of workbench is 3 feet.
Perimeter of of rectangle = 2(L+W)
= 2(7+3)
= 2(10)
= 20 feet
Hence, The length of metal strip that is needed 20 feet
