Given that :

\

The circumference of the circle=18 cm \ \

\

$\"\"$

\

$\"\"$

\

$\"\"$

\

Divide each side by 6.28 \ \

\

$\"\"$

\

\

$\"\"$

\

Diameter

\

$\"\"$

\

Diameter (d)=5.732 cm.

\