Jawaban:
3 x + 2 x + x + 14:180
6 x + 15:180
6 x : 165
x :27,5
sudut A:2x:2x27,5:55°(A)
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Jawaban:
3 x + 2 x + x + 14:180
6 x + 15:180
6 x : 165
x :27,5
sudut A:2x:2x27,5:55°(A)