Arc de cercle et secteur circulaire
Author: Frédéric Chanez

cercle

longueur arc

BC

EF

HI

B

C

BC

EF

HI

E

F

H

I

a)

b)

BC

EF

HI

c)

BC

EF

HI

C = (4.000003659046173, -2.0000017268035615)
rayon = 3.1 (slider from 0 to 4, step 0.05)
O = Intersect(xAxis, yAxis)
C' = Rotate(C, 315*°, O)
m = Ray(O, C')
c = Circle(O, rayon)
A = Intersect(c, m, 1)
α = 1.7453292519943295 rad (slider from 0 to 6.283185307179586, step 0.017453292519943295)
B = Rotate(A, α, O)
β = Angle(A, O, B)
d = CircleSector(O, A, B)
Arc = CircleArc(O, A, B)
aired = Area(d)
r = Segment(A, O)
b = Circumference(d)
a = Segment(O, B)
e = true
f = false
g = CircleArc(O, A, B)
exercice = 1 (slider from 1 to 3, step 1)
h = true
i = false
j = false
texte2: "Angle =" + α + ""
texte1: "Longueur de l'arc = " + Arc + " cm"
k: x(A) = -1
l: x(A) = -1
γ = Angle(C', O, C)