Question 128413
{{{T = 2(pi)*r*(h+r)}}}
{{{r = 6}}}cm
{{{T = 168*(pi)}}}cm2
{{{168*(pi) = 2*(pi)*6*(h + 6)}}}
divide both sides by {{{12*(pi)}}}
{{{14 = h + 6}}}
{{{h = 8}}}cm answer
check answer:
{{{T = 2(pi)*r*(h+r)}}}
{{{T = 2(pi)*6*(8+6)}}}
{{{T = 168*(pi)}}}
OK