Question

find the circumference of cricle whose radius is (1)3.4

Answer 1

the formula of the circumference of a circle is 2 Pi R so we put the value 2 .22/7. 3.4 so the answer is 21.3714

Answer 2

formula to find circumfrence is 2 pi r so 2.22/7×3.4=21.37

so your answer is=

$21.37$