SOLUTION: The height of a cone is 24 inches, and the radius of the base is 7 inches long. Find the lateral surface area of the cone.
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Question 1077398: The height of a cone is 24 inches, and the radius of the base is 7 inches long. Find the lateral surface area of the cone.
Answer by ikleyn(52786) (Show Source): You can put this solution on YOUR website!
.
The lateral area of a cone is S = ,
where r is the base radius and L is the slant height of the cone.
For your cone the slant height is = = 25 inches.
Then the lateral area of the cone is S = = inches.
Please complete this calculation on your own.
In this site you have this free of charge online textbook on Geometry
GEOMETRY - YOUR ONLINE TEXTBOOK.
On the surface area of a cone and other 3D solid bodies see the lessons in this online textbook under the topic
Surface area of 3D solid bodies".
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