Formula for surface area of cone Home › Forums › Nemeth Code for Math and Science › Formula for surface area of cone This topic has 3 replies, 2 voices, and was last updated 9 years, 12 months ago by ydnic1948. Viewing 4 posts - 1 through 4 (of 4 total) Author Posts September 18, 2013 at 9:05 am #11497 ydnic1948Participant When brailling the formula for the surface area of a cone, the formula includes a italicized l for slant height. Normally we use "l" to represent length. Should the "l" in the the surface area of a cone be marked differently? Attachments:You must be logged in to view attached files. September 18, 2013 at 1:56 pm #22211 dworthingParticipant Could I see a picture of what the print looks like? September 19, 2013 at 9:54 am #22212 dworthingParticipant Here is page with formulas on them. Thanks Cindy September 27, 2013 at 4:55 pm #22213 ydnic1948Participant You don't have to do anything special for this letter l. It is a variable which is why it is italicized. Author Posts Viewing 4 posts - 1 through 4 (of 4 total) Everyone is free to read the forums, but only current NBA members can post. Become a member today. Click here to Login and return.