Given:
Radius of the cone = 5 ft
Slant height of the cone = 21 ft
To find:
The surface area of the cone
Solution:
Surface area of cone formula:

where r is the radius and l is the slant height.




The surface area of the cone is 130π square feet.
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Step-by-step explanation:Write a word problem that can be solve using an
equation of the form ax + b = c.
Include at least one decimal or fraction.
please help it’s due soon I need to do
Answer:
you could do 4y times 2y which would be 80y plus 2y times 2y which would be 40y so then 40 y plus 80y equals 120y
Step-by-step explanation:
Answer:
670,616,629mph
Step-by-step explanation:
I think this is the answer