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`DeltaABC` में, यदि `2angleA=3angleB=6angleC` हे, `angleB` का मान हे।A. `60^(@)`B. `30^(@)`C. `45^(@)`D. `90^(@)` |
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Answer» Correct Answer - A According to question, Given, `2angleA= 3angleB` `(angleA)/(angleB)= 3/2` `(3angleB)=(6angleC)` `(angleB)/(angleC)= 6/3 = 2/1` To make anlge `angleB` same `therefore angleA : angleB: angleC` `3 : 2: 1` As we know that `angleA+angleB+angleC= 180^(@)` `x=30^(@)` `angleB =2x=60^(@)` |
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