Asked by jatin

A rectangular piece of sheet metal is 4 ft longer than it is wide. (See the illustration.) The area of the piece of sheet metal is 96 ft2. Find its length and width
Answered by John
A = lw

96 = (w+4)(w)

w^2 + 4w -96 = 0

(w +12 )(w-8) =0

w=-12 cannot have a neg value here

w = 8

so l = 12

Answered by Arora
A rectangular piece of sheet metal is 4 ft longer than it is wide. (See the illustration.) The area of the piece of sheet metal is 45 ft2. Find its length and width?
Answered by Anonymous
A rectangular piece of sheet metal is 4 ft longer than it is wide .(See 2
Illustration below ). The area of the piece of sheet is 21 ft . Find its length and width. (Hint : Area of the rectangle = Length ×Width )
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