Answer:
The answer is 40.8 m.
Step-by-step explanation:
To find the perimeter of the rectangle, use the formula P= 2([tex]l[/tex])+ 2([tex]w[/tex]). Plug in the information given in the question, and the equation will look like
P= 2(12m) + 2(8.4m)
Solve the equation, and the final answer will be 40.8 m.
