Question

Find the circumference of the circle
whose radius is: first 2.8 how to solve it

Answer 1

circumference of circle =2πr=2×22/7×2.8=17.6

Answer 2

circumference = 2πr
= 2*(22/7)*28/10
$2 \times 22 \div 7 \times 28 \div 10$
circumference=88/5