Penjelasan dengan langkah-langkah:
Aplikasi Aljabar
7x+8x = 360-90
15x = 270
x ,= 270/15
x = 18° ( C ) ✓
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Penjelasan dengan langkah-langkah:
Aplikasi Aljabar
7x+8x = 360-90
15x = 270
x ,= 270/15
x = 18° ( C ) ✓