a metal strip is being installed around a workbench that is 7 feet long and 3 feet wide. find how much stripping is needed

20 ft.

Step-by-step explanation:

7 ft and 3 ft.

3*2=6

7*2=14

6+14=20.

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