Question

circumference of circle whose diameter is 5.6

Answer 1

Diameter = 5.6
Circumference= 2πd/2
$\frac{2 \times 22 \times 5.6}{ 7 \times 2}$
= 17.6 is the answer

Answer 2

2πris the formula for solving circumstance of circle
2×2.8×22/7
=0.8×22
=17.6 is the Ans