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gregori [183]
4 years ago
5

This should be quick answer pls help

Mathematics
1 answer:
stiks02 [169]4 years ago
5 0

Answer:

3+18=21

Step-by-step explanation:

because 3x6 is 18, and 18+3 is 21.

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<h2>PERIMETER</h2>

==============================================

<em>the formula for perimeter of a Rectangle is this ::</em>

<u></u>\mathsf{P_{RECTANGLE}=2(a+b)}

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