October 2023 0 5 Report
Wiedząc, że proste AB, CD i EF są równoległe (patrz rysunek po prawej), oblicz: a) OBI, jeżeli: |OC| = 7 cm, |OA| = 3 cm, |BD| = 2 cm; DOE, jeżeli: |AF|= 9 cm, |OA| = 3 cm, |OB| = 5 cm; c) |DB|, jeżeli: |AC| = 2 cm, |OC| = 3 cm, |OB| = 5 cm; d) EB, jeżeli: |OA| = 7 cm, |OF| = 5 cm, |OB| = 2,5 cm; e) AC, jeżeli: |BD| = 6,5 cm, |OF = 3,2 cm, |OE| = 4 cm.​

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