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### Converting Square Units

```Date: 05/29/2002 at 09:47:57
From: Renita Sellars
Subject: Converting in Math

Question submitted via WWW:
How many square kilometers are in 200 square miles?
```

```
Date: 05/29/2002 at 15:59:55
From: Doctor Ian
Subject: Re: Converting in Math

Hi Renita,

Here is a rectangle with an area of 200 square miles:

20 mi
+--------------------+
|                    |
10 mi   |                    |    20 mi * 10 mi = 200 mi^2
|                    |
+--------------------+

Now, there are about 8 km in 5 miles, so there are about 16 km in 10
miles, and 32 in 20 miles:

20 mi
+--------------------+
|                    |
10 mi   |                    | 16 km
|                    |
+--------------------+
32 km

Does this help?

- Doctor Ian, The Math Forum
http://mathforum.org/dr.math/
```
Associated Topics:
Middle School Terms/Units of Measurement

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