Today's problem: Un triunghi...


	Thursday, 10 november 2016

Un triunghi...

Proposed by batranetupetre Offline


(0 comments)	1.421 times displayed

Intr-un triunghi mediana si inaltimea duse din acelasi varf sunt trisectoare. Ce masuri au unghiurile triunghiului ?


View the Solution 30-60-90 Daca in tr ABC inaltimea AD si mediana AM sunt trisectoare , construim simetricul lui A fata de BC, punctul E. In triunghiul AEC DC si AM sunt bisectoare deci AE=EC si cum AC=CE avem ca unghiul ACE are 60 de grade...de aici nu mai avem ce rezolva

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problema zilei, probleme de matematica, amuzante, matematica amuzanta, probleme rezolvate, solutii, rezolvari, triunghi

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