Answer:
4.77
if u use 3 for pie its 5
Step-by-step explanation:
formula is d=c/pie
so d=15/pie
d=4.77
Answer:
25.1!
Step-by-step explanation:
all you have to do is C=2πr=2·π·4≈25.13274
To calculate the circumference of a circle, multiply the diameter of the circle with π (pi). The circumference can also be calculated by multiplying 2×radius with pi (π=3.14).
Hope that helped! :)