Question

Complete the expressions to find the perimeter P of a rectangle that is 7 inches long by 5 inches wide.

P21+2
-2.7+
20
15

Answer 1

`P = 2*7 + 2*5`

`P = 14 + 10`

`P = 24 inches`

Explanation:

Lenght (l) of rectangle = 7 inches

Width (w) of rectangle = 5 inches

Perimeter (P) of rectangle is given as
`P = 2l + 2w`

Plug in the values of l and w into the formula:

`P = 2*7 + 2*5`

Multiply each

`P = 14 + 10`

Add together

`P = 24 inches`