SOLUTION: the perimeter of a rectangle is 24cm. if the length is triple the width, find the area of the rectangle.

Algebra ->  Rectangles -> SOLUTION: the perimeter of a rectangle is 24cm. if the length is triple the width, find the area of the rectangle.      Log On


   



Question 993268: the perimeter of a rectangle is 24cm. if the length is triple the width, find the area of the rectangle.
Answer by macston(5194) About Me  (Show Source):
You can put this solution on YOUR website!
W=width; L=length=3W
.
P=2(L+W)
24cm=2(3W+W)
12cm=4W
3cm=W
L=3W=3(3cm)=9cm
.
Area=LW=(9cm)(3cm)=27cm^2
.
ANSWER: The area of the rectangle is 27 square centimeters.