Need math help with question 3 (chat me if you have questions)

Mathematics
Tutor: None Selected Time limit: 1 Day

Nov 20th, 2015

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

The perimeter of the shape=sum of all sides

Now length of one side is 60 m, total length of other side is also 60m

Also half of one width is 10m, so total width is 20m  , in this shape two sides each 10m are also included

So the perimeter =60+60+20+20+10+10=180m answer

Also 

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

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