Driver Code
public static void main ( String arg [ ] ) { float side = 4 ; System . out . print ( " Area ▁ of ▁ Equilateral ▁ Triangle : " ) ; System . out . println ( area_equi_triangle ( side ) ) ; System . out . print ( " Perimeter ▁ of ▁ Equilateral ▁ Triangle : " ) ; System . out . println ( peri_equi_triangle ( side ) ) ; } }