fenetreMathalea2d = [-11,-10,18,9]
const r = 4
const A = point(3,4,'A')
const B = point(5,5,'B')
const O = point(0,0,'O')
tracePoint(O,A,B)
labelPoint(O,A,B)
const a = 30
const c1 = cercle(O,r)
const c2 = cercleCentrePoint(O,A)
const c3 = cercleCentrePoint(A,O,'blue')
const c4 = arc(B,O,a)
const c5 = arc(A,B,a,true,'red','blue')
const c6 = arcPointPointAngle(O,A,2*a,true)
const M = pointIntersectionCC(c1,c3,'M')
tracePoint(M)
labelPoint(M)
const P = pointIntersectionCC(c1,c3,'P',2)
tracePoint(P)
labelPoint(P)