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Finding radius of a circle and length of a backyard

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Problem : If the diameter of a circle is 1.3 x 10^-12 meters, then what is its radius?

Problem : The perimeter of a rectangular backyard is 6x+6 yards. If the width is x yards, find a binomial that represents the length.

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Solution Summary

Solution describes the steps to find out radius of circle. It also explains the methodology to find out length of a rectangular backyard for given values of perimeter and width.

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Please refer attached file for better clarity of expressions.

Solution:
Problem 1.

If the diameter of a circle is 1.3 x 10^-12 ...

Solution provided by:
Lokesh Jain, MSc
Education
  • BEng (Hons) , Birla Institute of Technology and Science, India
  • MSc (Hons) , Birla Institute of Technology and Science, India
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