<h2>
Answer:</h2>
The radius of the cone is:

<h2>
Step-by-step explanation:</h2>
The total area of cone is given by:

where r is the radius of the cone and l is the slant height of the cone.
and the lateral area of cone is given by:

Hence, from equation (1) and (2) we have:

i.e.

i.e.

Answer:
9,-7 hope this helps :))))))))
Answer is C
hope this helps!
Here is the answer.hope it helps...
Answer:
me
Step-by-step explanation:
pleas i'm begging you