Need chemistry help with question 5 (chat me if you have questions)

Chemistry
Tutor: None Selected Time limit: 1 Day

Nov 20th, 2015

Thank you for the opportunity to help you with your question!

The polygon is a rectangle  and formula for finding the perimeter is 

(l+w)2

hence (12+18)2=60

so perimeter  is 60 cm  

Please let me know if you need any clarification. I'm always happy to answer your questions.
Nov 20th, 2015

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Nov 20th, 2015
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Nov 20th, 2015
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