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Nice but is long process,where 70 is u can do it angle on a straight line,then find e top angle 110+3180=40 ,then u solve it with sine rule to find RC 😊
Ok
110+30-180=40********
Nice but is long process,where 70 is u can do it angle on a straight line,then find e top angle 110+3180=40 ,then u solve it with sine rule to find RC 😊
Ok
110+30-180=40********
Ok