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If the area of the rectangle is 90km^2, then what is the value of the missing side

If the area of the rectangle is 90km^2, then what is the value of the missing side-example-1
User Sangil
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1 Answer

6 votes

The area of a rectangle is given by:


\begin{gathered} A=w\cdot h \\ \end{gathered}

Where:

w = width

h = height = 9km

A = Area = 90km²

so:


\begin{gathered} 90=9\cdot w \\ \text{solve for w:} \\ w=(90)/(9) \\ w=10\operatorname{km} \end{gathered}

User Elia Ahadi
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5.6k points