SOLUTION: Hi, I need help with this question. Question: The area of a rectangular floor is 216m2. If it is 12m wide, find the perimeter, in m, of the floor. Thanks, Natalie

Algebra ->  Surface-area -> SOLUTION: Hi, I need help with this question. Question: The area of a rectangular floor is 216m2. If it is 12m wide, find the perimeter, in m, of the floor. Thanks, Natalie      Log On


   

Question 995571: Hi, I need help with this question.
Question: The area of a rectangular floor is 216m2. If it is 12m wide, find the perimeter, in m, of the floor.
Thanks,
Natalie
Answer by ikleyn(52781) About Me  (Show Source):
You can put this solution on YOUR website!
.
The length of the rectangular is its area divided by the width:  L = A%2FW = 216%2F12 = 18 m.

Now,  the perimeter is   2*(L+W) = 2*(12+18) = 2*30 = 60 m.