SOLUTION: a paper cone is unfolded to reveal that is is formed using a sector of a circle with radius 3 inches. if the arc length around the top of the cone is 7.7 inches, what is the surfac
Algebra ->
Surface-area
-> SOLUTION: a paper cone is unfolded to reveal that is is formed using a sector of a circle with radius 3 inches. if the arc length around the top of the cone is 7.7 inches, what is the surfac
Log On
Question 986753: a paper cone is unfolded to reveal that is is formed using a sector of a circle with radius 3 inches. if the arc length around the top of the cone is 7.7 inches, what is the surface area of the outside of the cone? Answer by josgarithmetic(39617) (Show Source):
You can put this solution on YOUR website! Compare the arc length to the circumference of the whole circle (although only a sector is available).
, the full circumference.
Full circle area WOULD be .
(