Question 1013076
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Ratio A:B is 2:4 is 1:2
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A+B+C=180
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If A=C, B=2A:
A+2A+A=180
4A=180
A=45 
B=2A=2(45)=90
C=A=45
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If B=C, B=C=2A
A+2A+2A=180
5A=180
A=36
B=2A=2(36)=72
C=2A=2(36)=72