Question

Find the surface area of the cone in terms of pie.

Answer 1

what are the dimensions of the cone?

Answer 2

one second im attackin the file

Answer 3

attackin? lol

Answer 4

omg lol sorry meant attaching

Answer 5

lol ok

Answer 6

do you know the equation for SA of a cone?

Answer 7

yes i have a formula chart that has it

Answer 8

the problem is i dont know how to fid the slant height even thow it gave me the regular height.

Answer 9

ok well just use the Pythagorean thm. Im hoping you know what that is

Answer 10

yes lol i know how to do Pythagorean

Answer 11

well you can either use that or realize that the triangle formed is a 3,4,5 triangle.

Answer 12

oh so i would do 3 squared plus 4 squared to get c squared which is my slant height

Answer 13

ya it is also a set triangle meaning that it is a 3,4,5 triangle

Answer 14

other sets are 5,12,13 and ones that i forget

Answer 15

oh ok wow thank you vary much for the help

Answer 16

welcome so im guessing you can solve it from here?

Answer 17

yes the problem was i was used to just getting the slant height automatically i got lost when it gave me only the regular height.

Answer 18

ok lol well im glad you understand it now

Answer 19

ok thank you vary much

Answer 20

yw :D