Mathematics, 15.10.2019 01:00 moonk7733

In patrulaterul convex abcd, măsura unghiului b este de 70 grade iar diagonala ac face cu latura [ab] un unghi de 30 grade, iar cu latura [ad] un unghi de 40 grade. masura unghiului acd este 50 grade, iar drepturile ad și bc se intersectează in e. aratati ca ac congruent ce. urgnt

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In patrulaterul convex abcd, măsura unghiului b este de 70 grade iar diagonala ac face cu latura [ab...