A.10
Penjelasan dengan langkah-langkah:
maaf kalau salah.
(4x + 10) + (x - 15) = 180°
5x + 10 - 15 = 180°
5x - 5 = 180°
5x = 180° + 5
5x = 185°
x = 185 : 5
x = 37
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jawaban:
A.10
Penjelasan dengan langkah-langkah:
maaf kalau salah.
(4x + 10) + (x - 15) = 180°
5x + 10 - 15 = 180°
5x - 5 = 180°
5x = 180° + 5
5x = 185°
x = 185 : 5
x = 37