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?
+36916 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
+36916 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
