bantu jawab ya kak pakai caranya
Jawaban:
(2x+5)+57° = 180°
2x + 62 = 180°
2x = 180° - 62
2x = 118
x = 118/2
x = 59°
[[ SN ]]
180 = 2x + 5 + 57
180 = 2x + 62
180 - 62 = 2x
118 = 2x
x = 118 ÷ 2
x = 59
jawabannya adalah A. 59°
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