O

I

OI=64\ m

S

Trigonométrie : problème\ de\ la\ falaise

H

34°

25°

Voyez-vous\ comment\ obtenir\ SH\ et\ IH\ arrondis\ au\ cm?

MathsEnClair.com

O = (-10.068251696699894, -3.1873428737167373)
B = (44.34306615037649, -3.3210632894277032)
a = Ray(O, B)
B' = Rotate(B, 25*°, O)
α = Angle(B, O, B')
b = Ray(O, B')
c = Circle(O, 64)
I = Intersect(c, a)
A = Point(a)
A' = Rotate(A, 34*°, I)
β = Angle(A, I, A')
d = Ray(I, A')
S = Intersect(b, d)
e = OrthogonalLine(S, a)
H = Intersect(e, a)
IH = Distance(I, H)
SH = Distance(S, H)
γ = Angle(S, H, O)
g(x) = If[x ≥ x(S),y(S)]
h = Segment(S, H)
f(x) = If[x ≤ x(H),y(H)]
i(x, y) = y ≤ f(x)
OI = Distance(O, I)
j = Ray(H, O)
k(x, y) = y ≤ g(x)
texte11: "Geogebra\ calcule : SH\approx" + (LaTeX[SH]) + " \ et\ IH\approx" + (LaTeX[IH]) + "."