A,b,c are three angles of triangle if ab=15, b-c=30, find la,lb,lc answer la=80,lb=65,lc=35
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Step-by-step explanation:
ab=15,
b-c=30,
la=80,
l-a=160,
lb=65,
l-b=130,
lc=35
l-c=70
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