Question

The conical hat shown here is a traditional sun-protective straw hat originating in eastern Asia. What is the approximate outer surface area of one of these hats that has a radius of 9 inches and a slant height of 12 inches? Keep in mind that there is an opening in the hat where the base surface would normally be. Show the steps of your solution and explain your work.

attached file below

Answer 1

i give medal plz help

Answer 2

The surface area of a cone (excluding the base) is pi*r*s, where r = radius and s = slant height
So in this case, we have pi*9*12 = 96*pi =~ 301.59 in^2

Answer 3

just need someone to say if its correct

Answer 4

Yes it is :)

Answer 5

Yupp ! it is(:

Answer 6

k thxs

Answer 7

np(:

Answer 8

Medals :3

Answer 9

is it 678.24 inch .. :(

Answer 10

\[\pi.rs +\pi.r ^{2}\]

Answer 11

and s = 15 not 12 ryt? :((( confusing