Answer :
Triangle area = .5* (base * height)
3.8 = ( base * 4.6 ) / 2
7.6 / 4.6 = base
base = 1.652173913
or base = 1.6 rounded
3.8 = ( base * 4.6 ) / 2
7.6 / 4.6 = base
base = 1.652173913
or base = 1.6 rounded