Déplacer le point A.
la hauteur de la gouttière x varie et fait varier l'aire A

AIre A

x : hauteur de la gouttière

B = Intersect(xAxis, yAxis)
B_{1}: (0.48, 0)
f = Segment(B, B_{1})
A = Point(f)
C: (0, Distance[A, B_{1}] / 2)
g = OrthogonalLine(C, yAxis)
h = OrthogonalLine(A, xAxis)
D = Intersect(g, h)
q1, a, c, e, d = Polygon(B, A, D, C)
distanceDA = Distance(C, B)
distanceAC = Distance(B, A)
distanceCE = Distance(A, D)
texte1: "longueur de tôle : " + distanceCE + "+" + distanceAC + "+" + distanceCE + " = 0,48 m"
TexteAC: "" + distanceAC + " m"
Pointq1 = PointIn(q1)
Texteq1: "A = " + q1 + ""
E = 1 (slider from -5 to 5)
AC = Distance(A, C)
M: (y(C), (x(A) * y(C)))
TexteDA: "x =" + distanceDA + " m"
TexteCE: "x = " + distanceCE + " m"