maryannetrainer maryannetrainer

12-01-2015
Mathematics

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what is the perimeter of a rectangle that is 2m 10cm by 45cm?

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konrad509 konrad509

12-01-2015

[tex]P=2l+2w\\ l=2\text{ m }10\text{ cm}=210 \text{ cm}\\ w=45\text{ cm}\\\\ P=2\cdot210+2\cdot45\\ P=420+90\\ P=510 \text{ cm}[/tex]

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