public static void main ( String args [ ] ) {
  float small_radius = 3 ;
  float big_radius = 8 ;
  float slant_height = 13 ;
  float height = 12 ;
  System . out . print ( "Volume Of Frustum of Cone : " ) ;
  System . out . println ( volume ( small_radius , big_radius , height ) ) ;
  System . out . print ( "Curved Surface Area Of" + " Frustum of Cone : " ) ;
  System . out . println ( curved_surface_area ( small_radius , big_radius , slant_height ) ) ;
  System . out . print ( "Total Surface Area Of" + " Frustum of Cone : " ) ;
  System . out . println ( total_surface_area ( small_radius , big_radius , slant_height , height ) ) ;
}

public static void main ( String args [ ] ) { float small_radius = 3 ; float big_radius = 8 ; float slant_height = 13 ; float height = 12 ; System . out . print ( " Volume ▁ Of ▁ Frustum ▁ of ▁ Cone ▁ : ▁ " ) ; System . out . println ( volume ( small_radius , big_radius , height ) ) ; System . out . print ( " Curved ▁ Surface ▁ Area ▁ Of " + " ▁ Frustum ▁ of ▁ Cone ▁ : ▁ " ) ; System . out . println ( curved_surface_area ( small_radius , big_radius , slant_height ) ) ; System . out . print ( " Total ▁ Surface ▁ Area ▁ Of " + " ▁ Frustum ▁ of ▁ Cone ▁ : ▁ " ) ; System . out . println ( total_surface_area ( small_radius , big_radius , slant_height , height ) ) ; }
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