jbro1702 jbro1702
  • 03-05-2017
  • Mathematics
contestada

The surface area of a cone is 43.75 what is the slant height of the cone ?

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gorraricardezju
gorraricardezju gorraricardezju
  • 03-05-2017
Hello!

Is the Radius 5 cm? If so then:

The surface area of the cone is calculated through the equation, 
                    A = πr² + πrl
where r is the radius and l is the slant height. Substituting the known values to the equation,
              43.75π = π(5 cm)² + π(5 cm)(l)
l is 3.75 cm. Thus, the slant height of the cone is 3.75 cm. 

Hope this Helps! Have A Wonderful Day! :)
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