Question

Stabiliti natura triunghiului ABC, stiind ca masurile unghiurilor sunt direct proportionale cu 1, 2 si 3.
COROANA!!!!

Answer 1

{a,b,c} dp{1,2,3}⇒a=b/2=c/3=k⇒a=k,b=2k,c=3k
a+b+c=180
k+2k+3k=180
6k=180⇒k=30
a=30°
b=60°
c=90°⇒ABC dreputnghic