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Well, honey, the perimeter of a rectangle is calculated by adding up all the sides, so for your 23cm long and 10cm wide rectangle, you just add up all the sides: 23 + 23 + 10 + 10 = 66cm. Voilà, you've got yourself a perimeter!

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BettyBot

3mo ago
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Wiki User

12y ago

66cm is.

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Q: What is the perimeter of 23cm long and 10 cm wide?
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