Răspunsuri

2014-09-18T22:45:53+03:00
A+B+C=180 GRADE
A=2B
A=C/3=>C=3A=>C=6B
Inlocuind in prima relatie rezulta ca 2B+B+6B=180 GRADE =>9B=180=>B=20=>A=40,C=120 grade
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2014-09-18T22:57:25+03:00
Fie mas C=6x ⇒ A= 6x/3=2x ⇒ B= 2x/2=x
6x+x+2x=180⇒ 9x=180⇒ x=20 grd
A=2*20=40 grade
B= 20 grade
A=6*20=120 grade
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