5. I AABC, LA + LB =65° s and LB + ...
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5. I AABC, LA + LB =65° s and LB + L9F140° sf und the measure of each angle of the trangle.

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Ins ABC [ B+C=140^{circ} ] ( - ) ( D-frac{(11)}{Rightarrow} quad A=180^{circ}-140 ) [ begin{array}{r} Rightarrow frac{sqrt{A}=40^{circ}}{.80^{circ}-left(185^{circ}+40^{circ}right)} therefore quad 180^{circ}-155^{circ} end{array} ]
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