i need to find the approximate side length (rounded to tenth) of a patio. the area is 136 sq. ft.

Mathematics
Tutor: None Selected Time limit: 1 Day

 A contractor is tiling a square patio that has an area of 136 square feet.  What is the approximate side length of the patio?  Round to the nearest tenth of a foot. Show the steps without using a calculator.

Jun 12th, 2015

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

area = length *width

for a square length=width

given the area, to get the length, we find the square root of the area

11*11=121

12*12=144

sq root 144=12

sq root 121=11

therefore sq root 136 is between 11 and 12

sq root 136= 11.662

to the nearest tenth =11.7 feet

Please let me know if you need any clarification. I'm always happy to answer your questions.
Jun 12th, 2015

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