1.

Given \(\frac{{b + c}}{{11}} = \frac{{c + a}}{{12}} = \frac{{a + b}}{{13}}\) for a ΔABC with usual notion. If \(\frac{{b + c}}{{11}} = \frac{{c + a}}{{12}} = \frac{{a + b}}{{13}}\) then the ordered triad (α, β, γ) has a value:

A. (7, 19, 25)
B. (3, 4, 5)
C. (5, 12, 13)
D. (19, 7, 25)
Answer» B. (3, 4, 5)


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