we know that
The formula of the surface area of the cone is equal to

where
SA is the surface area
r is the radius of the cone
l is the slant height
in this problem we have

Solve the formula for l

substitute the values

therefore
<u>the answer is</u>
The slant height is 
Answer:
Be careful what you wish for.
Step-by-step explanation:
Answer:
i think the answer is b give me brainliest please
Step-by-step explanation:
-14/15+-2v/3+v/3 that is the answer
Answer:
The third one is the answer
Step-by-step explanation:
the first number shows the distance along, and the second number shows the distance up or down. Begin at the point and follow a vertical line either up or down to the x-axis. There is your x-coordinate