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2 The angies o b3. In ΔΑ BC, if 3LAAZB62C, calculate <A,LB and ZC. |
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Answer» 3A=4B=6Cso B=3/4A C=1/2Anow A+B+C=180A+3/4A+1/2A=1809A=180×4so A=80B=60C=40 |
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