RR 7.ABC倆研のTUT fTF t, faHFZ,4 = 90° aitT AB=.4C tl < B 3tr <CET – InterviewSolution

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1.	RR 7.ABC倆研のTUT fTF t, faHFZ,4 = 90° aitT AB=.4C tl < B 3tr <CETatfer
Answer» A=90 AB=AC so abgles agaimst them are also same lets say those are xso 90+x+x=180so 2x=90so.x=45

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