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In triangle ABC angle C=3angleB and angleC =2(angleA+angleB) then measure of angleB is what? |
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Answer» Angle B= 40 degree C= 3bC=2a+2bHence3b=2a+2bB=2aA+b+c=180A+2a+6a=180A= 20B=2a=2(20)=40C= 3b=3(2a)=6a=6(20)=120 |
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