Asked by sally

The area of a rectangle is 72 cm². The length. l, of the rectangle is 6 cm longer than the width, w.

What is the width of the rectangle?

10 cm

8 cm

6 cm

2 cm
Answered by A GOODSTUDENT
Area = l*w
So let width be w and length be w+6
Noe equation is
B(B+6) = 72
Solve for B and find the answer
Answered by Reiny
width ---- w
length ---- w+6

width*length = area
w(w+6) = 72
w^2 + 6w - 72 = 0
(w-6)(w+12) = 0
w = 6 or w = a negative

the width is 6 cm

with only a few nice choices you could have easily checked each one in your head
e.g.
for the first one: is 10 times 16 equal to 72 ? NO
etc
Answered by tomboy_haters
6cm
Answered by Anonymous
If the rectangle measure 72cm²and it's width is 6cm , identify it's length
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