f(x) = (-2 * x) + 10
E = Intersect(f, xAxis, 1)
A = Intersect(xAxis, yAxis)
g = Segment(A, E)
B = Point(g)
h = OrthogonalLine(B, g)
C = Intersect(f, h, 1)
i = OrthogonalLine(C, h)
D = Intersect(i, yAxis)
Area, b, c, d, e = Polygon(A, B, C, D)
texto1 = LaTeX(Area, true, true)