Question

How do I find the slant height of a cone with a lateral area of 555 pi cm2. the radius is 15.
WILL FRIEND AND GIVE MEDAL

Answer 1

i recall a formula, mayne LA = pi r s

Answer 2

i was working on taking a cone and finding the latarea LA

its the ratio of circumfrences to the original circles area

LA = r/s pi s^2

LA = rs pi

and its s you want to find for the slant

Answer 3

i want the slant height yes

Answer 4

then solve for s ...

Answer 5

okay i have done it and i keep getting like 11.7 and my options are 37.0cm2 27.1 22.2 and 7.7

Answer 6

555pi/15pi

555/15