Asked by Sam
A rectangular box has a perimeter of 36 inches. Which of the following equations represents the area of the rectangular box in terms of its width, w?
a. A = 36w - w2
b. A = 18w - w2
c. A = 36 - w2
d. A = 18 - w2
a. A = 36w - w2
b. A = 18w - w2
c. A = 36 - w2
d. A = 18 - w2
Answers
Answered by
Reiny
let the length be l
let the width be w
so 2l + 2w = 36
l + w = 18
l = 18-w
area = wl
= w(18-w)
= 18w - w^2
let the width be w
so 2l + 2w = 36
l + w = 18
l = 18-w
area = wl
= w(18-w)
= 18w - w^2
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