Circumference = 2 * Pi * r
r(radius) = diameter/2 = 31/2 = 15.5
Circumference = 2 * pi * 15.5
= 97.4 units
==========( you could call it 97 units )
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The diameter of a circle with a circumference of 46 inches is approximately 14.6 inches.
The circumference of a circle with a radius of 31 meters is about 194.8 meters.
Circumference of circle: 20 × π = 62.832 feet rounded to 3 decimal places
as dia =2.8 ..radius = 1.4 ..so circumference =2∏r = 2*22/7*1.4 = 8.8
If Sqaure root of Pi is the Diameter of Circle . Then the circumference is Pi X Dia . Which equals , Pi X Square root of Pi. Which is is approximately 5.56