Answer:

Step-by-step explanation:
The total surface area of a cone is given by :

Put r = 2r and l = 2l in the above formula

Hence, the total surface area of the cone is
.
GCF or GCM? I’m not sure if you typed it in wrong or not. I’m just making sure
.30 move the decimal two times to the left.
Pm+4=4(4)+4=20
The value is 20.
Hope this helps