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the formula for finding the area of a rectangle is A=LWSolve this formula for LL=______if the length of a rectangle is 18 feet qnd the width is 9 inches. what is the area of the rectangle in units of square feet? _______ ft^2

the formula for finding the area of a rectangle is A=LWSolve this formula for LL=______if-example-1
User Arturo Molina
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1 Answer

22 votes
22 votes

1) Dividing the given formula by W we get:


\begin{gathered} (A)/(W)=(LW)/(W), \\ (A)/(W)=L. \end{gathered}

2) We know that:


1in=(1)/(12)ft.

Therefore:


9in=9*(1)/(12)ft=(3)/(4)ft.

Then:


W=(3)/(4)ft.

Substituting W=3/4ft and L=18ft in the given formula we get:


A=(18ft)((3)/(4)ft)=13.5ft^2

Answer:

1)


L=(A)/(W).

2)


13.5ft^2.

User Magdiel
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