T.P.4-Les angles

Partie 1 : Mesurer des angles
1) Dans la fenêtre ci-dessous, créer trois points A, B et C.[br]2) Tracer les demi-droites [AB) et [AC).[br]3) En cliquant sur [img]data:image/png;base64,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[/img] , mesurer l'angle BÂC.
Partie 2 : Tracer des angles de mesure donnée
1) Dans la fenêtre ci-dessous, tracer une demi-droite [OM)[br]2) Trouver l'icône [img]data:image/png;base64,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[/img] et tracer l'angle MÔN de 72°.[br]
Partie 3 : Tracer la médiatrice d'un angle
1) Trouver l'icône [img]data:image/png;base64,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[/img]puis l'utiliser pour tracer la bissectrice de l'angle MÔN dans la fenêtre ci-dessus.[br]2) Vérifier que cette bissectrice partage l'angle MÔN en deux angles de 36°.
Partie 4 : Exercice d'application 1
1) Dans la fenêtre ci-dessous, tracer un triangle EFG et construire la bissectrice de chacun de ces angles.
2) Que remarquez-vous ?
Partie 5 : Exercice d'aplication 2 : Crétion d'un Mandala
1) Dans la fenêtre ci-dessous, tracer trois cercles de centre A et de rayons respectifs 3cm, 4cm et 5cm.[br]2) Placer B et C sur le plus grand cercle tel que [BC] soit un diamètre de ce cercle.[br]3) Tracer la bissectrice de BÂC et nommer D une de ses intersections avec le grand cercle.[br]4) Tracer la bissectrice de BÂD et nommer E une de ses intersections avec le grand cercle.[br]5) Tracer la bissectrice de CÂD et nommer F une de ses intersections avec le grand cercle.[br]6) Tracer la bissectrice de BÂE et nommer G une de ses intersections avec le grand cercle..[br]7) Tracer Trois autres bissectrices.[br]8) Laisser libre cours à votre imagination pour créer des motifs à l'intérieur des cercles concentriques (triangles, arcs de cercle, couleur) pour finaliser votre Mandala.
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Information: T.P.4-Les angles