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How many different rectangles are there that have a perimeter of 100? How do you know?

User Zirael
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1 Answer

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The perimeter is the lengths of each side. So you need to list as many 4 numbers that add up to 100 as you can but remember that 2 of the numbers have to be the same.

For example

10 + 10 + 40 + 40 = 100
20 + 20 + 30 + 30=100

Hope this helps
User Ivaylo Novakov
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