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Mathematics, 09.03.2021 01:20 monicagalarza

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)

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