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Constraint on a length of a triangle's side
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I have a triangle ABC.
I want the side BC to be equal to (AB + AC)/3.
The closest I get to build such triangle is create a 4th point D such that
D = Point( Circle (B , (Distance(A, B) + Distance(A, C)) / 3))i.e., a segment of length (AB + AC)/3 beginning at point B. But then I wished I could attach point B to point D, but it doesn't work since you obviously can't tell B to be have 2 rules.
I couldn't find a way to tell GeoGebra to build such a triangle.
Any help?
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perhaps you can begin with B C and do A in a ellipse doing AB+AC=3BC
Ce n'est pas toujours possible d'obtenir un tel triangle
Utiliser 2 cercles s'ils sont sécants, c'est gagné
perhaps you can begin with B C and do A in a ellipse doing AB+AC=3BC
or find all the points C with locusequation()
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