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For a cone, if the radius was quadrupled and the slant height was reduced to one sixth of its original size, what would be the formula to find the modified surface area?

 Sep 23, 2014

Best Answer 

 #1
avatar+129840 
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The "formula" for the original surface area of the cone is given by:

Ac = pi*R*L     where R is the radius and L is the slant height length

So, if the radius is quadrupled and the slant height is reduced tio 1/6th of its original value, we have

Ac = pi*(4)R*(1/6)L = (2/3)pi*R*L

 

 Sep 23, 2014
 #1
avatar+129840 
+5
Best Answer

The "formula" for the original surface area of the cone is given by:

Ac = pi*R*L     where R is the radius and L is the slant height length

So, if the radius is quadrupled and the slant height is reduced tio 1/6th of its original value, we have

Ac = pi*(4)R*(1/6)L = (2/3)pi*R*L

 

CPhill Sep 23, 2014

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