tugas kuliah coy

1. Private Sub CommandButton_Click()
Dim x1, x2, x3, x4, x5 As Single
Dim y1, y2, y3, y4, y5 As Double
Dim h, hasil_trapezoidal As Single
'Defenisi Variable
x1 = ekox1.Text
x2 = ekox2.Text
x3 = ekox3.Text
x4 = ekox4.Text
x5 = ekox5.Text
y1 = ekoy1.Text
y2 = ekoy2.Text
y3 = ekoy2.Text
y4 = ekoy2.Text
y5 = ekoy2.Text
'defenisi nilai h
h = x2 - x1
hasil_trapezoidal = h / 2 * (y1 + (2 * y2) + (2 * y3) + (2 * y4) + y5)
nilaih.Caption = h
hasiltrapezoidal.Caption = hasil_trapezoidal
End Sub