h = 0 (slider from 0 to 14, step 0.1)
onedeg = 0.017453292519943295 rad
i = Segment((0, -7), (0, 7))
A = Intersect(xAxis, yAxis)
D: (0, h - 7)
e = OrthogonalLine(D, yAxis)
c = Circle(A, 7)
E, F = Intersect(c, e)
β = Angle(F, A, E)
rat: β / onedeg
f = Segment(F, A)
g = Segment(E, A)
h_1 = Segment(F, E)
ATr: 0.5 * f^(2) * sin(β)
ASec: 0.5 * 49 * rat / 180 * π
Vol: 20 * (ASec - ATr)
text2: "Area triangle = " + ATr + ""
text3: "Area sector = " + ASec + ""
theta: rat / 360
text1: "Volume=" + Vol + ""
height: h
V: (h, Vol)