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:
24,19
Step-by-step explanation:
24+19=43
24-19=5
Answer:
1681 for area of <em>rectangle</em>
Answer:
x>3 is the answer use math for apps