+0  
 
0
49
1
avatar

The total area of a cone is 60pi cm squared. If it’s radius is 4 cm, what is the measure of its slant height?

 Feb 10, 2020

Best Answer 

 #1
avatar+21725 
+2

SA = πr2 + πrl

 60 pi   =   pi r^2 + pi r l

  60      =      r^2   + r l

  60      =      4^2   + 4 l

   44 = 4 l

    l = 11 cm

 Feb 10, 2020
 #1
avatar+21725 
+2
Best Answer

SA = πr2 + πrl

 60 pi   =   pi r^2 + pi r l

  60      =      r^2   + r l

  60      =      4^2   + 4 l

   44 = 4 l

    l = 11 cm

ElectricPavlov Feb 10, 2020

18 Online Users

avatar