College

How many square kilometers is a rectangle that measures 4000 meters by 5000 meters?

(Note: 1 kilometer = 1000 meters)

Answer :

Remember that

The area of a rectangle is given by the formula

[tex]A=L*W[/tex]

In this problem

we have

L=4,000 m-----> convert to kilometers --------> L=4,000/1,000=4 km

W=5,000 m ---------> W=5,000/1,000=5 km

Find out the area

[tex]\begin{gathered} A=(4)*(5) \\ A=20\text{ km}^2 \end{gathered}[/tex]

The area is 20 square kilometers

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