Driver Code
let b = 4 , h = 9 , a = 4 ; document . write ( " " + " " + volumeTriangular ( a , b , h ) + " " ) ; document . write ( " " + " " + volumeSquare ( b , h ) + " " ) ; document . write ( " " + " " + volumePentagonal ( a , b , h ) + " " ) ; document . write ( " " + " " + volumeHexagonal ( a , b , h ) ) ;