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Today's Problem


Solve one problem each day

Sunday, 21 august 2011

Unghiulare

Proposed by wmutexOffline
(7 comments)6.637 times displayed

Fie un triunghi ABC in care

u(CAB) < u(BCA) < 90° < u(ABC)

unde u(CAB) este unghiul A al triunghiului, etc. Fie AM bisectoarera unghiului exterior triunghiului in A, cu M apartinand dreptei BC. Fie BN bisectoarea unghiului exterior triunghiului in B, cu N apartinand dreptei AC. Sa se calculeze u(CAB) stiind ca:

AM = BN = AB


Tags: unghi, diferenta, iluzie optica, floare, femeie
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