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In triangle ABC angle C=3angleB and …

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In triangle ABC angle C=3angleB and angleC =2(angleA+angleB) then measure of angleB is what?

    • Posted by Vinisha Verma 6 years, 2 months ago

    CBSE > Class 10 > Mathematics
    • 2 answers

    Aadya Singh ? 6 years, 2 months ago

    Angle B= 40 degree

    2Thank You

    Pankaj Upadhyay 6 years, 2 months ago

    C= 3b C=2a+2b Hence 3b=2a+2b B=2a A+b+c=180 A+2a+6a=180 A= 20 B=2a=2(20)=40 C= 3b=3(2a)=6a=6(20)=120

    1Thank You

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