Question

if the diameter of a tennis ball is 2.6 what is the circumference

Answer 1

if the diameter of a tennis ball is 2.6 what is the circumference ​

we have that

the circumference is

C=Pi*D

we have

D=2.6 units

so

C=pi*2.6

C=2.6pi units ------> exact value

the approximate value is

C=3.14*2.6

C=8.16 units -----> approximate value