Question 152166
A function gives the value of C as 2 × (22/7) × r. Find C when r = 21 cm and r = 84 cm. 
{{{C=2*(22/7)*r}}}
C has 2 values:
1st, {{{r= 21cm}}}
{{{C=2*(22/7)*(21cm)}}}
{{{C=132cm}}}
2nd, {{{r=84cm}}}
{{{C=2*(22/7)*(84cm)}}}
{{{C=528cm}}}
Thank you,
Jojo