Mathematics, 12.04.2021 14:00 onewaydemon

Elevii au studiat o schiță a corpului uman. Ei au observat că ar putea trasa pe schiță un cerc pentru care centrul O și punctele A , B și C sunt corespunzătoare unor structuri
anatomice.
Cercul este reprezentat în figura alăturată. Centrul
cercului este punctul O, BC este diametru al cercului, iar
punctul A este situat pe cerc, astfel încât ∢BAO = 60° . Raza
cercului este de 2cm .

6. Calculează lungimea diametrului BC .

7. Determină măsura arcului mic AC .

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