SOLUTION: 16. The circumference of the circular pool is 31.4m. The path around it is 1m wide. Find the circumference of the outer boundary of the path.

Algebra ->  Circles -> SOLUTION: 16. The circumference of the circular pool is 31.4m. The path around it is 1m wide. Find the circumference of the outer boundary of the path.      Log On


   



Question 985135: 16. The circumference of the circular pool is 31.4m. The path around it is 1m wide. Find the circumference of the outer boundary of the path.
Answer by macston(5194) About Me  (Show Source):
You can put this solution on YOUR website!
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Circumference=%28pi%29%28diameter%29
diameter=circumference%2F%28pi%29=%2831.4m%29%2Fpi=10m
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The 1 meter path adds 2 meters to the diameter, so new diameter is 12 meters.
New_circumference=%2812m%29%28pi%29=37.7m