Question 849818
The volume of a cylinder is {{{V=pi*R^2*L}}}
{{{V[3]=V[1]+V[2]}}}
{{{pi*R^2*1=pi*4^2*6+pi*5^2*4}}}
{{{R^2=96+100}}}
{{{R^2=196}}}
{{{R=14}}}cm