A liquid filter shaped as a right circular cone is shown below.

If a similar cone has a slant height of 24 cm, what is its lateral area?

120π cm2

144π cm2

256π cm2

72π cm2

Question

A liquid filter shaped as a right circular cone is shown below. 
  
 
  
If a similar cone has a slant height of 24 cm, what is its lateral area?

 120π cm2

 144π cm2

 256π cm2

 72π cm2

anonymous97 · Answer

attachment

anonymous · Answer

Lateral surface area of a cone is pi*r*l ... 
'r' is the radius of the circular base, 'l' the slant height... :-)

anonymous97 · Answer

if you plug it in you get 376.8 which isnt an option

anonymous97 · Answer

nevermind i got it i feel really dumb

anonymous · Answer

You forgot to retain "pi"... Also check that u took l=24 , not l=20...

anonymous · Answer

Happens with everyone... never feel guilty for these small things :-)

anonymous97 · Answer

thank you :)

anonymous · Answer

Pleasure :-)