SOLUTION: I need to know the square footage of the lateral surface area of a cone shape.
Height= 30'
Diameter= 15'
Algebra.Com
Question 334901: I need to know the square footage of the lateral surface area of a cone shape.
Height= 30'
Diameter= 15'
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!
The lateral surface area of a cone, 
is given by:
Where 
is the radius of the base and 
is the slant height.
Knowing (one-half of the diameter), and the height, 
, use Pythagoras to calculate the slant height:
Putting it all together in one formula:
Just plug in your values and do the arithmetic.
John
My calculator said it, I believe it, that settles it
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