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Mathematics, 25.01.2021 23:30 sergiog6833

Triunghiul echilateral ABC, cu AB = 4 cm, se proiecteaza pe planul alpha dupa triunghiul dreptunghic A'BC. a. Precizati unghiul drept al triunghiului A’BC
b. Determinati unghiul (AB, alpha)

(am facut deja desenul, voi atasa poza)

Triunghiul echilateral ABC, cu AB = 4 cm, se proiecteaza pe planul alpha dupa triunghiul dreptunghi

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