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
.
Answer:
1919=0+1+0+1=2
Step-by-step explanation:
Answer: Can I see the whole questions?
Step-by-step explanation:
2,14 4,16 6,18 8,20 f=s+12
Answer:
Answer in the image
Step-by-step explanation: