Plz if u can explain how to do this but don’t use links plz

Answer:
Circumference = π*diameter
If you get the circumference of a circle and then divide it into the diameters of said circle, you get exactly 3.1415962 ect. (most math formulas use 3.14 for pi so its more simpler)
hope that helped! if you have any questions, just ask them in the comments.
btw the answer is 50.24 inches.