alexander-turner_60bf589967d44
alexander-turner_60bf589967d44
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3,14 rad-----180º 3,14/3 ------x = 3,14/3*180º /3,14 =60º A+B-C= 88°20’+31°40' - 60º 119º 60' -60º 120º-60º= 60º n.d.a