Answers

2016-02-12T17:04:46+05:30
Let R be the radius of the sphere and r be the radius of the cone
 R^{2} =5πrl
l=4*R*R/5r
l=4*5*5/4*5
l=5cm

 l= \sqrt{ h^{2}+ r^{2} }  

h= \sqrt{ l^{2} - r^{2} } 

h= \sqrt{ 5^{2}-4^{2} }
h=√9=3cm
∴The height of the cone is 3cm
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