100 Most Beautiful Secret Areas in China

100 Most Beautiful Secret Areas in China

Matematika JUDULNYA : HUBUNGAN DUA SUDUT ​

JUDULNYA : HUBUNGAN DUA SUDUT ​

Penjelasan dengan langkah-langkah:

SUDUT REFLEKSi

❌ = 360° – (120° + 130°)

❌ = 360° – 250°

❌ = 110°

SUDUT LANCiP

❌ = 180° – (118° + 30°)

❌ = 180° – 148°

❌ = 32°

SUDUT TUmPUL

= 180° – 10°

❌ = 170°

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