Linear Equations

Asked by  | 2nd May, 2008, 11:18: PM

Expert Answer:

We know that A+B+C=180

And it is given that, C=3B=2(A+B)

Therefore, C=2(A+B) implies

C=2(180-C)

3C=360

So, C=120

And, 3B=C implies that B=C/3

So, B=40

And so, A=180-40-120= 180-160 = 20

Answered by  | 3rd May, 2008, 12:31: AM

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