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4x+1+6x-2+4x+4=360
x=25,5
sudutnya masukan nilai x. itung bro jgn males
9x + 3 = 180
9x = 177
x = 19,67
sudut 1 = 4x + 2
= 80,68
sudut 2 = 3x - 1
= 58,01
sudut 3 = 2x + 2
= 41,34