100 Things Cubs Fans Should Know & Do Before They Die (100 Things...Fans Should Know)

100 Things Cubs Fans Should Know & Do Before They Die (100 Things...Fans Should Know)

Matematika Sekolah Menengah Atas Berdasarkan gambar di samping

tentukan nilai x dan y!​

Berdasarkan gambar di samping

tentukan nilai x dan y!​

Penjelasan dengan langkah-langkah:

2(4x)° + x° = 180°

(8x)° + x° = 180°

(9x)° = 180°

x = 20°

y° + (4x)° = 180°

y° + (4.20°) = 180°

y° + 80° = 180°

y° = 180°-80°

y = 100°

[answer.2.content]