SOLUTION: a square and a rectangle have the same area.the square has side length 8 in. the length of the rectangle is four times its width.what is the length of the rectangle

Algebra ->  Rectangles -> SOLUTION: a square and a rectangle have the same area.the square has side length 8 in. the length of the rectangle is four times its width.what is the length of the rectangle       Log On


   



Question 936085: a square and a rectangle have the same area.the square has side length 8 in. the length of the rectangle is four times its width.what is the length of the rectangle
Answer by ankor@dixie-net.com(22740) About Me  (Show Source):
You can put this solution on YOUR website!
a square and a rectangle have the same area.
the square has side length 8 in.
square area = 8^2 = 64 sq/in
the length of the rectangle is four times its width.
L = 4w
L * w = 64
Replace L with 4w
4w * w = 64
4w^2 = 64
w^2 = 64/4
w^2 = 16
w = sqrt%2816%29
w = 4 in
I'll let you find the Length (4w)
:
what is the length of the rectangle