what is the lenght of each side of the larger square?

Mathematics
Tutor: None Selected Time limit: 1 Day

Jun 2nd, 2015

pi r^2 + pi (2r)^2 = 80 pi

pi r^2 + 4pi r^2 = 80 pi

5 pi r^2  = 80 pi

       r^2  = 80 pi/5 pi

       r^2  = 16

         r =4

Radius of the larger circle = 2 * 4 =8 m

Please let me know if you have any questions and best me if you are satisfactory.

Jun 2nd, 2015

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