Penjelasan dengan langkah-langkah:
y = 72°
x = ?
Sudut berpelurus = 180°
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Penjelasan dengan langkah-
nilai x°
=> y° + x° = 180°
=> 72° + x° = 180°
=> x = 108°
Penjelasan dengan langkah-langkah:
y = 72°
x = ?
Sudut berpelurus = 180°